Home / 729,759.60-1,007,058.96-407,475.36

Finding the Fourth Proportional to 729,759.60, 1,007,058.96 and 407,475.36

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Solution

The fourth proportional to 729,759.60, 1,007,058.96 and 407,475.36 is: 562,310.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    729,759.60 : 1,007,058.96 = 407,475.36 : x
  2. Step 2: Convert to fraction form
    729,759.60/1,007,058.96 = 407,475.36/x
  3. Step 3: Cross multiply
    729,759.60x = 1,007,058.96 × 407,475.36
  4. Step 4: Simplify right side
    729,759.60x = 410,351,712,267.23
  5. Step 5: Solve for x
    x = 410,351,712,267.23/729,759.60
  6. Step 6: Final answer
    x = 562,310.81

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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.