Home / 724,821.20-1,083,732.60-535,864.40

Finding the Fourth Proportional to 724,821.20, 1,083,732.60 and 535,864.40

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Solution

The fourth proportional to 724,821.20, 1,083,732.60 and 535,864.40 is: 801,209.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,821.20 : 1,083,732.60 = 535,864.40 : x
  2. Step 2: Convert to fraction form
    724,821.20/1,083,732.60 = 535,864.40/x
  3. Step 3: Cross multiply
    724,821.20x = 1,083,732.60 × 535,864.40
  4. Step 4: Simplify right side
    724,821.20x = 580,733,719,459.44
  5. Step 5: Solve for x
    x = 580,733,719,459.44/724,821.20
  6. Step 6: Final answer
    x = 801,209.62

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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.