Home / 745,041.77-1,028,179.62-527,639.39

Finding the Fourth Proportional to 745,041.77, 1,028,179.62 and 527,639.39

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Solution

The fourth proportional to 745,041.77, 1,028,179.62 and 527,639.39 is: 728,157.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    745,041.77 : 1,028,179.62 = 527,639.39 : x
  2. Step 2: Convert to fraction form
    745,041.77/1,028,179.62 = 527,639.39/x
  3. Step 3: Cross multiply
    745,041.77x = 1,028,179.62 × 527,639.39
  4. Step 4: Simplify right side
    745,041.77x = 542,508,067,507.23
  5. Step 5: Solve for x
    x = 542,508,067,507.23/745,041.77
  6. Step 6: Final answer
    x = 728,157.92

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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.