Home / 762,930.07-1,053,717.30-502,449.79

Finding the Fourth Proportional to 762,930.07, 1,053,717.30 and 502,449.79

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Solution

The fourth proportional to 762,930.07, 1,053,717.30 and 502,449.79 is: 693,956.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    762,930.07 : 1,053,717.30 = 502,449.79 : x
  2. Step 2: Convert to fraction form
    762,930.07/1,053,717.30 = 502,449.79/x
  3. Step 3: Cross multiply
    762,930.07x = 1,053,717.30 × 502,449.79
  4. Step 4: Simplify right side
    762,930.07x = 529,440,033,470.07
  5. Step 5: Solve for x
    x = 529,440,033,470.07/762,930.07
  6. Step 6: Final answer
    x = 693,956.18

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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.