Home / 972,029.10-1,458,043.65-262,128.90

Finding the Fourth Proportional to 972,029.10, 1,458,043.65 and 262,128.90

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Solution

The fourth proportional to 972,029.10, 1,458,043.65 and 262,128.90 is: 393,193.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    972,029.10 : 1,458,043.65 = 262,128.90 : x
  2. Step 2: Convert to fraction form
    972,029.10/1,458,043.65 = 262,128.90/x
  3. Step 3: Cross multiply
    972,029.10x = 1,458,043.65 × 262,128.90
  4. Step 4: Simplify right side
    972,029.10x = 382,195,378,126.49
  5. Step 5: Solve for x
    x = 382,195,378,126.49/972,029.10
  6. Step 6: Final answer
    x = 393,193.35

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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.