Home / 750,458.90-1,125,685.91-579,928.18

Finding the Fourth Proportional to 750,458.90, 1,125,685.91 and 579,928.18

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Solution

The fourth proportional to 750,458.90, 1,125,685.91 and 579,928.18 is: 869,890.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    750,458.90 : 1,125,685.91 = 579,928.18 : x
  2. Step 2: Convert to fraction form
    750,458.90/1,125,685.91 = 579,928.18/x
  3. Step 3: Cross multiply
    750,458.90x = 1,125,685.91 × 579,928.18
  4. Step 4: Simplify right side
    750,458.90x = 652,816,981,037.94
  5. Step 5: Solve for x
    x = 652,816,981,037.94/750,458.90
  6. Step 6: Final answer
    x = 869,890.38

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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.