Home / 970,133.97-1,338,826.28-540,414.39

Finding the Fourth Proportional to 970,133.97, 1,338,826.28 and 540,414.39

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Solution

The fourth proportional to 970,133.97, 1,338,826.28 and 540,414.39 is: 745,794.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    970,133.97 : 1,338,826.28 = 540,414.39 : x
  2. Step 2: Convert to fraction form
    970,133.97/1,338,826.28 = 540,414.39/x
  3. Step 3: Cross multiply
    970,133.97x = 1,338,826.28 × 540,414.39
  4. Step 4: Simplify right side
    970,133.97x = 723,520,984,720.10
  5. Step 5: Solve for x
    x = 723,520,984,720.10/970,133.97
  6. Step 6: Final answer
    x = 745,794.92

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.