Home / 762,933.30-1,053,721.74-502,453

Finding the Fourth Proportional to 762,933.30, 1,053,721.74 and 502,453

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Solution

The fourth proportional to 762,933.30, 1,053,721.74 and 502,453 is: 693,960.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    762,933.30 : 1,053,721.74 = 502,453 : x
  2. Step 2: Convert to fraction form
    762,933.30/1,053,721.74 = 502,453/x
  3. Step 3: Cross multiply
    762,933.30x = 1,053,721.74 × 502,453
  4. Step 4: Simplify right side
    762,933.30x = 529,445,649,428.22
  5. Step 5: Solve for x
    x = 529,445,649,428.22/762,933.30
  6. Step 6: Final answer
    x = 693,960.60

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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.