Home / 724,307.40-1,086,461.10-693,592.20

Finding the Fourth Proportional to 724,307.40, 1,086,461.10 and 693,592.20

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Solution

The fourth proportional to 724,307.40, 1,086,461.10 and 693,592.20 is: 1,040,388.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,307.40 : 1,086,461.10 = 693,592.20 : x
  2. Step 2: Convert to fraction form
    724,307.40/1,086,461.10 = 693,592.20/x
  3. Step 3: Cross multiply
    724,307.40x = 1,086,461.10 × 693,592.20
  4. Step 4: Simplify right side
    724,307.40x = 753,560,944,563.42
  5. Step 5: Solve for x
    x = 753,560,944,563.42/724,307.40
  6. Step 6: Final answer
    x = 1,040,388.30

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Similar ratio
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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.