Home / 728,846.80-1,092,246.20-579,342.80

Finding the Fourth Proportional to 728,846.80, 1,092,246.20 and 579,342.80

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Solution

The fourth proportional to 728,846.80, 1,092,246.20 and 579,342.80 is: 868,200.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    728,846.80 : 1,092,246.20 = 579,342.80 : x
  2. Step 2: Convert to fraction form
    728,846.80/1,092,246.20 = 579,342.80/x
  3. Step 3: Cross multiply
    728,846.80x = 1,092,246.20 × 579,342.80
  4. Step 4: Simplify right side
    728,846.80x = 632,784,971,797.36
  5. Step 5: Solve for x
    x = 632,784,971,797.36/728,846.80
  6. Step 6: Final answer
    x = 868,200.25

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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.