Home / 728,089.34-1,092,626.08-254,778.80

Finding the Fourth Proportional to 728,089.34, 1,092,626.08 and 254,778.80

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Solution

The fourth proportional to 728,089.34, 1,092,626.08 and 254,778.80 is: 382,340.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    728,089.34 : 1,092,626.08 = 254,778.80 : x
  2. Step 2: Convert to fraction form
    728,089.34/1,092,626.08 = 254,778.80/x
  3. Step 3: Cross multiply
    728,089.34x = 1,092,626.08 × 254,778.80
  4. Step 4: Simplify right side
    728,089.34x = 278,377,955,411.03
  5. Step 5: Solve for x
    x = 278,377,955,411.03/728,089.34
  6. Step 6: Final answer
    x = 382,340.38

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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.