Home / 736,872.30-1,105,308.45-724,430.70

Finding the Fourth Proportional to 736,872.30, 1,105,308.45 and 724,430.70

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Solution

The fourth proportional to 736,872.30, 1,105,308.45 and 724,430.70 is: 1,086,646.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    736,872.30 : 1,105,308.45 = 724,430.70 : x
  2. Step 2: Convert to fraction form
    736,872.30/1,105,308.45 = 724,430.70/x
  3. Step 3: Cross multiply
    736,872.30x = 1,105,308.45 × 724,430.70
  4. Step 4: Simplify right side
    736,872.30x = 800,719,374,149.42
  5. Step 5: Solve for x
    x = 800,719,374,149.42/736,872.30
  6. Step 6: Final answer
    x = 1,086,646.05

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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.