Home / 913,425.20-1,370,332.20-282,402.80

Finding the Fourth Proportional to 913,425.20, 1,370,332.20 and 282,402.80

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Solution

The fourth proportional to 913,425.20, 1,370,332.20 and 282,402.80 is: 423,664.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    913,425.20 : 1,370,332.20 = 282,402.80 : x
  2. Step 2: Convert to fraction form
    913,425.20/1,370,332.20 = 282,402.80/x
  3. Step 3: Cross multiply
    913,425.20x = 1,370,332.20 × 282,402.80
  4. Step 4: Simplify right side
    913,425.20x = 386,985,650,210.16
  5. Step 5: Solve for x
    x = 386,985,650,210.16/913,425.20
  6. Step 6: Final answer
    x = 423,664.30

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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.