Home / 753,494.20-1,130,151.72-247,929.80

Finding the Fourth Proportional to 753,494.20, 1,130,151.72 and 247,929.80

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Solution

The fourth proportional to 753,494.20, 1,130,151.72 and 247,929.80 is: 371,865.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    753,494.20 : 1,130,151.72 = 247,929.80 : x
  2. Step 2: Convert to fraction form
    753,494.20/1,130,151.72 = 247,929.80/x
  3. Step 3: Cross multiply
    753,494.20x = 1,130,151.72 × 247,929.80
  4. Step 4: Simplify right side
    753,494.20x = 280,198,289,909.26
  5. Step 5: Solve for x
    x = 280,198,289,909.26/753,494.20
  6. Step 6: Final answer
    x = 371,865.22

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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.