Home / 825,013.28-1,138,498.01-457,488.39

Finding the Fourth Proportional to 825,013.28, 1,138,498.01 and 457,488.39

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Solution

The fourth proportional to 825,013.28, 1,138,498.01 and 457,488.39 is: 631,322.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    825,013.28 : 1,138,498.01 = 457,488.39 : x
  2. Step 2: Convert to fraction form
    825,013.28/1,138,498.01 = 457,488.39/x
  3. Step 3: Cross multiply
    825,013.28x = 1,138,498.01 × 457,488.39
  4. Step 4: Simplify right side
    825,013.28x = 520,849,622,327.93
  5. Step 5: Solve for x
    x = 520,849,622,327.93/825,013.28
  6. Step 6: Final answer
    x = 631,322.71

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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.