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Finding the Fourth Proportional to 681,505.17, 940,483.56 and 375,592.74

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Solution

The fourth proportional to 681,505.17, 940,483.56 and 375,592.74 is: 518,321.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    681,505.17 : 940,483.56 = 375,592.74 : x
  2. Step 2: Convert to fraction form
    681,505.17/940,483.56 = 375,592.74/x
  3. Step 3: Cross multiply
    681,505.17x = 940,483.56 × 375,592.74
  4. Step 4: Simplify right side
    681,505.17x = 353,238,797,225.35
  5. Step 5: Solve for x
    x = 353,238,797,225.35/681,505.17
  6. Step 6: Final answer
    x = 518,321.52

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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.