Home / 825,439.74-1,138,687.59-539,127.42

Finding the Fourth Proportional to 825,439.74, 1,138,687.59 and 539,127.42

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Solution

The fourth proportional to 825,439.74, 1,138,687.59 and 539,127.42 is: 743,722.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    825,439.74 : 1,138,687.59 = 539,127.42 : x
  2. Step 2: Convert to fraction form
    825,439.74/1,138,687.59 = 539,127.42/x
  3. Step 3: Cross multiply
    825,439.74x = 1,138,687.59 × 539,127.42
  4. Step 4: Simplify right side
    825,439.74x = 613,897,702,582.72
  5. Step 5: Solve for x
    x = 613,897,702,582.72/825,439.74
  6. Step 6: Final answer
    x = 743,722.01

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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.