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Finding the Fourth Proportional to 510,309.86, 763,596.25 and 482,935.59

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Solution

The fourth proportional to 510,309.86, 763,596.25 and 482,935.59 is: 722,635.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    510,309.86 : 763,596.25 = 482,935.59 : x
  2. Step 2: Convert to fraction form
    510,309.86/763,596.25 = 482,935.59/x
  3. Step 3: Cross multiply
    510,309.86x = 763,596.25 × 482,935.59
  4. Step 4: Simplify right side
    510,309.86x = 368,767,804,308.20
  5. Step 5: Solve for x
    x = 368,767,804,308.20/510,309.86
  6. Step 6: Final answer
    x = 722,635.08

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.