Home / 724,587.73-999,962.31-402,297.89

Finding the Fourth Proportional to 724,587.73, 999,962.31 and 402,297.89

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Solution

The fourth proportional to 724,587.73, 999,962.31 and 402,297.89 is: 555,188.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,587.73 : 999,962.31 = 402,297.89 : x
  2. Step 2: Convert to fraction form
    724,587.73/999,962.31 = 402,297.89/x
  3. Step 3: Cross multiply
    724,587.73x = 999,962.31 × 402,297.89
  4. Step 4: Simplify right side
    724,587.73x = 402,282,729,526.12
  5. Step 5: Solve for x
    x = 402,282,729,526.12/724,587.73
  6. Step 6: Final answer
    x = 555,188.44

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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.