Home / 726,306.80-1,090,151.40-621,244.40

Finding the Fourth Proportional to 726,306.80, 1,090,151.40 and 621,244.40

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Solution

The fourth proportional to 726,306.80, 1,090,151.40 and 621,244.40 is: 932,457.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,306.80 : 1,090,151.40 = 621,244.40 : x
  2. Step 2: Convert to fraction form
    726,306.80/1,090,151.40 = 621,244.40/x
  3. Step 3: Cross multiply
    726,306.80x = 1,090,151.40 × 621,244.40
  4. Step 4: Simplify right side
    726,306.80x = 677,250,452,402.16
  5. Step 5: Solve for x
    x = 677,250,452,402.16/726,306.80
  6. Step 6: Final answer
    x = 932,457.82

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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.