Home / 1,010,207.10-1,515,310.65-262,253.10

Finding the Fourth Proportional to 1,010,207.10, 1,515,310.65 and 262,253.10

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Solution

The fourth proportional to 1,010,207.10, 1,515,310.65 and 262,253.10 is: 393,379.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,010,207.10 : 1,515,310.65 = 262,253.10 : x
  2. Step 2: Convert to fraction form
    1,010,207.10/1,515,310.65 = 262,253.10/x
  3. Step 3: Cross multiply
    1,010,207.10x = 1,515,310.65 × 262,253.10
  4. Step 4: Simplify right side
    1,010,207.10x = 397,394,915,425.52
  5. Step 5: Solve for x
    x = 397,394,915,425.52/1,010,207.10
  6. Step 6: Final answer
    x = 393,379.65

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.