Home / 757,937.60-1,045,948.80-418,405.76

Finding the Fourth Proportional to 757,937.60, 1,045,948.80 and 418,405.76

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Solution

The fourth proportional to 757,937.60, 1,045,948.80 and 418,405.76 is: 577,397.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    757,937.60 : 1,045,948.80 = 418,405.76 : x
  2. Step 2: Convert to fraction form
    757,937.60/1,045,948.80 = 418,405.76/x
  3. Step 3: Cross multiply
    757,937.60x = 1,045,948.80 × 418,405.76
  4. Step 4: Simplify right side
    757,937.60x = 437,631,002,585.09
  5. Step 5: Solve for x
    x = 437,631,002,585.09/757,937.60
  6. Step 6: Final answer
    x = 577,397.14

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.