Home / 728,416.80-1,092,884.40-702,496.80

Finding the Fourth Proportional to 728,416.80, 1,092,884.40 and 702,496.80

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Solution

The fourth proportional to 728,416.80, 1,092,884.40 and 702,496.80 is: 1,053,995.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    728,416.80 : 1,092,884.40 = 702,496.80 : x
  2. Step 2: Convert to fraction form
    728,416.80/1,092,884.40 = 702,496.80/x
  3. Step 3: Cross multiply
    728,416.80x = 1,092,884.40 × 702,496.80
  4. Step 4: Simplify right side
    728,416.80x = 767,747,793,769.92
  5. Step 5: Solve for x
    x = 767,747,793,769.92/728,416.80
  6. Step 6: Final answer
    x = 1,053,995.18

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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.