Home / 748,351.26-1,121,827.02-274,909.50

Finding the Fourth Proportional to 748,351.26, 1,121,827.02 and 274,909.50

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Solution

The fourth proportional to 748,351.26, 1,121,827.02 and 274,909.50 is: 412,107.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    748,351.26 : 1,121,827.02 = 274,909.50 : x
  2. Step 2: Convert to fraction form
    748,351.26/1,121,827.02 = 274,909.50/x
  3. Step 3: Cross multiply
    748,351.26x = 1,121,827.02 × 274,909.50
  4. Step 4: Simplify right side
    748,351.26x = 308,400,905,154.69
  5. Step 5: Solve for x
    x = 308,400,905,154.69/748,351.26
  6. Step 6: Final answer
    x = 412,107.15

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Double scale
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1.5x scale

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.