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Finding the Fourth Proportional to 573,552.11, 791,460.77 and 315,446.96

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Solution

The fourth proportional to 573,552.11, 791,460.77 and 315,446.96 is: 435,294.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    573,552.11 : 791,460.77 = 315,446.96 : x
  2. Step 2: Convert to fraction form
    573,552.11/791,460.77 = 315,446.96/x
  3. Step 3: Cross multiply
    573,552.11x = 791,460.77 × 315,446.96
  4. Step 4: Simplify right side
    573,552.11x = 249,663,888,321.22
  5. Step 5: Solve for x
    x = 249,663,888,321.22/573,552.11
  6. Step 6: Final answer
    x = 435,294.17

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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.