Home / 791,688.64-1,092,503.74-469,207.29

Finding the Fourth Proportional to 791,688.64, 1,092,503.74 and 469,207.29

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Solution

The fourth proportional to 791,688.64, 1,092,503.74 and 469,207.29 is: 647,490.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    791,688.64 : 1,092,503.74 = 469,207.29 : x
  2. Step 2: Convert to fraction form
    791,688.64/1,092,503.74 = 469,207.29/x
  3. Step 3: Cross multiply
    791,688.64x = 1,092,503.74 × 469,207.29
  4. Step 4: Simplify right side
    791,688.64x = 512,610,715,065.54
  5. Step 5: Solve for x
    x = 512,610,715,065.54/791,688.64
  6. Step 6: Final answer
    x = 647,490.30

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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.