Home / 724,289.56-999,512.03-402,002.44

Finding the Fourth Proportional to 724,289.56, 999,512.03 and 402,002.44

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Solution

The fourth proportional to 724,289.56, 999,512.03 and 402,002.44 is: 554,759.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,289.56 : 999,512.03 = 402,002.44 : x
  2. Step 2: Convert to fraction form
    724,289.56/999,512.03 = 402,002.44/x
  3. Step 3: Cross multiply
    724,289.56x = 999,512.03 × 402,002.44
  4. Step 4: Simplify right side
    724,289.56x = 401,806,274,869.35
  5. Step 5: Solve for x
    x = 401,806,274,869.35/724,289.56
  6. Step 6: Final answer
    x = 554,759.17

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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.