Home / 745,594.43-1,028,920.19-406,062.68

Finding the Fourth Proportional to 745,594.43, 1,028,920.19 and 406,062.68

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Solution

The fourth proportional to 745,594.43, 1,028,920.19 and 406,062.68 is: 560,366.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    745,594.43 : 1,028,920.19 = 406,062.68 : x
  2. Step 2: Convert to fraction form
    745,594.43/1,028,920.19 = 406,062.68/x
  3. Step 3: Cross multiply
    745,594.43x = 1,028,920.19 × 406,062.68
  4. Step 4: Simplify right side
    745,594.43x = 417,806,082,682.60
  5. Step 5: Solve for x
    x = 417,806,082,682.60/745,594.43
  6. Step 6: Final answer
    x = 560,366.43

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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.