Home / 900,140.38-1,350,875.17-426,827.41

Finding the Fourth Proportional to 900,140.38, 1,350,875.17 and 426,827.41

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Solution

The fourth proportional to 900,140.38, 1,350,875.17 and 426,827.41 is: 640,556.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    900,140.38 : 1,350,875.17 = 426,827.41 : x
  2. Step 2: Convert to fraction form
    900,140.38/1,350,875.17 = 426,827.41/x
  3. Step 3: Cross multiply
    900,140.38x = 1,350,875.17 × 426,827.41
  4. Step 4: Simplify right side
    900,140.38x = 576,590,543,290.03
  5. Step 5: Solve for x
    x = 576,590,543,290.03/900,140.38
  6. Step 6: Final answer
    x = 640,556.25

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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.