Home / 974,864.70-1,345,304.07-545,139.90

Finding the Fourth Proportional to 974,864.70, 1,345,304.07 and 545,139.90

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Solution

The fourth proportional to 974,864.70, 1,345,304.07 and 545,139.90 is: 752,287.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    974,864.70 : 1,345,304.07 = 545,139.90 : x
  2. Step 2: Convert to fraction form
    974,864.70/1,345,304.07 = 545,139.90/x
  3. Step 3: Cross multiply
    974,864.70x = 1,345,304.07 × 545,139.90
  4. Step 4: Simplify right side
    974,864.70x = 733,378,926,189.39
  5. Step 5: Solve for x
    x = 733,378,926,189.39/974,864.70
  6. Step 6: Final answer
    x = 752,287.91

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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.