Home / 745,044.80-1,028,183.76-527,642.42

Finding the Fourth Proportional to 745,044.80, 1,028,183.76 and 527,642.42

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Solution

The fourth proportional to 745,044.80, 1,028,183.76 and 527,642.42 is: 728,162.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    745,044.80 : 1,028,183.76 = 527,642.42 : x
  2. Step 2: Convert to fraction form
    745,044.80/1,028,183.76 = 527,642.42/x
  3. Step 3: Cross multiply
    745,044.80x = 1,028,183.76 × 527,642.42
  4. Step 4: Simplify right side
    745,044.80x = 542,513,362,190.18
  5. Step 5: Solve for x
    x = 542,513,362,190.18/745,044.80
  6. Step 6: Final answer
    x = 728,162.07

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1.5x scale

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.