Home / 900,139.13-1,350,873.29-426,826.16

Finding the Fourth Proportional to 900,139.13, 1,350,873.29 and 426,826.16

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Solution

The fourth proportional to 900,139.13, 1,350,873.29 and 426,826.16 is: 640,554.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    900,139.13 : 1,350,873.29 = 426,826.16 : x
  2. Step 2: Convert to fraction form
    900,139.13/1,350,873.29 = 426,826.16/x
  3. Step 3: Cross multiply
    900,139.13x = 1,350,873.29 × 426,826.16
  4. Step 4: Simplify right side
    900,139.13x = 576,588,053,329.97
  5. Step 5: Solve for x
    x = 576,588,053,329.97/900,139.13
  6. Step 6: Final answer
    x = 640,554.37

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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.