Home / 872,965.95-1,309,067.17-440,417.27

Finding the Fourth Proportional to 872,965.95, 1,309,067.17 and 440,417.27

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Solution

The fourth proportional to 872,965.95, 1,309,067.17 and 440,417.27 is: 660,433.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    872,965.95 : 1,309,067.17 = 440,417.27 : x
  2. Step 2: Convert to fraction form
    872,965.95/1,309,067.17 = 440,417.27/x
  3. Step 3: Cross multiply
    872,965.95x = 1,309,067.17 × 440,417.27
  4. Step 4: Simplify right side
    872,965.95x = 576,535,791,429.65
  5. Step 5: Solve for x
    x = 576,535,791,429.65/872,965.95
  6. Step 6: Final answer
    x = 660,433.31

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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.