Home / 728,845.80-1,092,244.70-579,341.80

Finding the Fourth Proportional to 728,845.80, 1,092,244.70 and 579,341.80

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Solution

The fourth proportional to 728,845.80, 1,092,244.70 and 579,341.80 is: 868,198.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    728,845.80 : 1,092,244.70 = 579,341.80 : x
  2. Step 2: Convert to fraction form
    728,845.80/1,092,244.70 = 579,341.80/x
  3. Step 3: Cross multiply
    728,845.80x = 1,092,244.70 × 579,341.80
  4. Step 4: Simplify right side
    728,845.80x = 632,783,010,538.46
  5. Step 5: Solve for x
    x = 632,783,010,538.46/728,845.80
  6. Step 6: Final answer
    x = 868,198.75

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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.