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Finding the Fourth Proportional to 629,187.32, 942,992.84 and 495,539.76

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Solution

The fourth proportional to 629,187.32, 942,992.84 and 495,539.76 is: 742,688.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,187.32 : 942,992.84 = 495,539.76 : x
  2. Step 2: Convert to fraction form
    629,187.32/942,992.84 = 495,539.76/x
  3. Step 3: Cross multiply
    629,187.32x = 942,992.84 × 495,539.76
  4. Step 4: Simplify right side
    629,187.32x = 467,290,445,615.32
  5. Step 5: Solve for x
    x = 467,290,445,615.32/629,187.32
  6. Step 6: Final answer
    x = 742,688.91

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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.