Home / 724,988.60-1,086,446.10-533,958.20

Finding the Fourth Proportional to 724,988.60, 1,086,446.10 and 533,958.20

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Solution

The fourth proportional to 724,988.60, 1,086,446.10 and 533,958.20 is: 800,173.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,988.60 : 1,086,446.10 = 533,958.20 : x
  2. Step 2: Convert to fraction form
    724,988.60/1,086,446.10 = 533,958.20/x
  3. Step 3: Cross multiply
    724,988.60x = 1,086,446.10 × 533,958.20
  4. Step 4: Simplify right side
    724,988.60x = 580,116,803,953.02
  5. Step 5: Solve for x
    x = 580,116,803,953.02/724,988.60
  6. Step 6: Final answer
    x = 800,173.69

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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.