Home / 754,460.40-1,131,690.60-577,313.40

Finding the Fourth Proportional to 754,460.40, 1,131,690.60 and 577,313.40

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Solution

The fourth proportional to 754,460.40, 1,131,690.60 and 577,313.40 is: 865,970.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    754,460.40 : 1,131,690.60 = 577,313.40 : x
  2. Step 2: Convert to fraction form
    754,460.40/1,131,690.60 = 577,313.40/x
  3. Step 3: Cross multiply
    754,460.40x = 1,131,690.60 × 577,313.40
  4. Step 4: Simplify right side
    754,460.40x = 653,340,148,034.04
  5. Step 5: Solve for x
    x = 653,340,148,034.04/754,460.40
  6. Step 6: Final answer
    x = 865,970.10

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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.