Home / 724,182.36-999,372.20-401,892.64

Finding the Fourth Proportional to 724,182.36, 999,372.20 and 401,892.64

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Solution

The fourth proportional to 724,182.36, 999,372.20 and 401,892.64 is: 554,612.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,182.36 : 999,372.20 = 401,892.64 : x
  2. Step 2: Convert to fraction form
    724,182.36/999,372.20 = 401,892.64/x
  3. Step 3: Cross multiply
    724,182.36x = 999,372.20 × 401,892.64
  4. Step 4: Simplify right side
    724,182.36x = 401,640,331,800.61
  5. Step 5: Solve for x
    x = 401,640,331,800.61/724,182.36
  6. Step 6: Final answer
    x = 554,612.14

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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.