Home / 724,989.96-1,087,495.88-251,690.36

Finding the Fourth Proportional to 724,989.96, 1,087,495.88 and 251,690.36

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Solution

The fourth proportional to 724,989.96, 1,087,495.88 and 251,690.36 is: 377,539.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,989.96 : 1,087,495.88 = 251,690.36 : x
  2. Step 2: Convert to fraction form
    724,989.96/1,087,495.88 = 251,690.36/x
  3. Step 3: Cross multiply
    724,989.96x = 1,087,495.88 × 251,690.36
  4. Step 4: Simplify right side
    724,989.96x = 273,712,222,839.79
  5. Step 5: Solve for x
    x = 273,712,222,839.79/724,989.96
  6. Step 6: Final answer
    x = 377,539.33

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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.