Home / 747,340.40-1,121,010.60-448,158.80

Finding the Fourth Proportional to 747,340.40, 1,121,010.60 and 448,158.80

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Solution

The fourth proportional to 747,340.40, 1,121,010.60 and 448,158.80 is: 672,238.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    747,340.40 : 1,121,010.60 = 448,158.80 : x
  2. Step 2: Convert to fraction form
    747,340.40/1,121,010.60 = 448,158.80/x
  3. Step 3: Cross multiply
    747,340.40x = 1,121,010.60 × 448,158.80
  4. Step 4: Simplify right side
    747,340.40x = 502,390,765,283.28
  5. Step 5: Solve for x
    x = 502,390,765,283.28/747,340.40
  6. Step 6: Final answer
    x = 672,238.20

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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.