Home / 905,207.10-1,357,810.44-231,289.66

Finding the Fourth Proportional to 905,207.10, 1,357,810.44 and 231,289.66

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Solution

The fourth proportional to 905,207.10, 1,357,810.44 and 231,289.66 is: 346,934.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    905,207.10 : 1,357,810.44 = 231,289.66 : x
  2. Step 2: Convert to fraction form
    905,207.10/1,357,810.44 = 231,289.66/x
  3. Step 3: Cross multiply
    905,207.10x = 1,357,810.44 × 231,289.66
  4. Step 4: Simplify right side
    905,207.10x = 314,047,515,012.05
  5. Step 5: Solve for x
    x = 314,047,515,012.05/905,207.10
  6. Step 6: Final answer
    x = 346,934.44

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Double scale
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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.