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Finding the Fourth Proportional to 584,755, 806,981.46 and 358,356.76

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Solution

The fourth proportional to 584,755, 806,981.46 and 358,356.76 is: 494,544.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    584,755 : 806,981.46 = 358,356.76 : x
  2. Step 2: Convert to fraction form
    584,755/806,981.46 = 358,356.76/x
  3. Step 3: Cross multiply
    584,755x = 806,981.46 × 358,356.76
  4. Step 4: Simplify right side
    584,755x = 289,187,261,385.67
  5. Step 5: Solve for x
    x = 289,187,261,385.67/584,755
  6. Step 6: Final answer
    x = 494,544.32

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1.5x scale

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.