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Finding the Fourth Proportional to 494,487, 745,436.68 and 461,529.92

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Solution

The fourth proportional to 494,487, 745,436.68 and 461,529.92 is: 695,754.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    494,487 : 745,436.68 = 461,529.92 : x
  2. Step 2: Convert to fraction form
    494,487/745,436.68 = 461,529.92/x
  3. Step 3: Cross multiply
    494,487x = 745,436.68 × 461,529.92
  4. Step 4: Simplify right side
    494,487x = 344,041,331,285.47
  5. Step 5: Solve for x
    x = 344,041,331,285.47/494,487
  6. Step 6: Final answer
    x = 695,754.05

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.