Home / 976,250.20-1,462,820.10-724,307.80

Finding the Fourth Proportional to 976,250.20, 1,462,820.10 and 724,307.80

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Solution

The fourth proportional to 976,250.20, 1,462,820.10 and 724,307.80 is: 1,085,307.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    976,250.20 : 1,462,820.10 = 724,307.80 : x
  2. Step 2: Convert to fraction form
    976,250.20/1,462,820.10 = 724,307.80/x
  3. Step 3: Cross multiply
    976,250.20x = 1,462,820.10 × 724,307.80
  4. Step 4: Simplify right side
    976,250.20x = 1,059,532,008,426.78
  5. Step 5: Solve for x
    x = 1,059,532,008,426.78/976,250.20
  6. Step 6: Final answer
    x = 1,085,307.85

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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.