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Finding the Fourth Proportional to 681,504.17, 940,482.18 and 375,591.74

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Solution

The fourth proportional to 681,504.17, 940,482.18 and 375,591.74 is: 518,320.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    681,504.17 : 940,482.18 = 375,591.74 : x
  2. Step 2: Convert to fraction form
    681,504.17/940,482.18 = 375,591.74/x
  3. Step 3: Cross multiply
    681,504.17x = 940,482.18 × 375,591.74
  4. Step 4: Simplify right side
    681,504.17x = 353,237,333,722.78
  5. Step 5: Solve for x
    x = 353,237,333,722.78/681,504.17
  6. Step 6: Final answer
    x = 518,320.14

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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.