Home / 755,851.40-1,132,246.20-470,666.60

Finding the Fourth Proportional to 755,851.40, 1,132,246.20 and 470,666.60

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Solution

The fourth proportional to 755,851.40, 1,132,246.20 and 470,666.60 is: 705,046.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    755,851.40 : 1,132,246.20 = 470,666.60 : x
  2. Step 2: Convert to fraction form
    755,851.40/1,132,246.20 = 470,666.60/x
  3. Step 3: Cross multiply
    755,851.40x = 1,132,246.20 × 470,666.60
  4. Step 4: Simplify right side
    755,851.40x = 532,910,469,316.92
  5. Step 5: Solve for x
    x = 532,910,469,316.92/755,851.40
  6. Step 6: Final answer
    x = 705,046.61

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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.