Home / 729,351.76-1,006,503.24-407,058.32

Finding the Fourth Proportional to 729,351.76, 1,006,503.24 and 407,058.32

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Solution

The fourth proportional to 729,351.76, 1,006,503.24 and 407,058.32 is: 561,739.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    729,351.76 : 1,006,503.24 = 407,058.32 : x
  2. Step 2: Convert to fraction form
    729,351.76/1,006,503.24 = 407,058.32/x
  3. Step 3: Cross multiply
    729,351.76x = 1,006,503.24 × 407,058.32
  4. Step 4: Simplify right side
    729,351.76x = 409,705,517,948.96
  5. Step 5: Solve for x
    x = 409,705,517,948.96/729,351.76
  6. Step 6: Final answer
    x = 561,739.26

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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.