Home / 747,149.85-1,121,263.29-297,610.65

Finding the Fourth Proportional to 747,149.85, 1,121,263.29 and 297,610.65

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Solution

The fourth proportional to 747,149.85, 1,121,263.29 and 297,610.65 is: 446,630.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    747,149.85 : 1,121,263.29 = 297,610.65 : x
  2. Step 2: Convert to fraction form
    747,149.85/1,121,263.29 = 297,610.65/x
  3. Step 3: Cross multiply
    747,149.85x = 1,121,263.29 × 297,610.65
  4. Step 4: Simplify right side
    747,149.85x = 333,699,896,558.04
  5. Step 5: Solve for x
    x = 333,699,896,558.04/747,149.85
  6. Step 6: Final answer
    x = 446,630.48

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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.