Home / 871,525.15-1,304,862.71-444,139.47

Finding the Fourth Proportional to 871,525.15, 1,304,862.71 and 444,139.47

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Solution

The fourth proportional to 871,525.15, 1,304,862.71 and 444,139.47 is: 664,973.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    871,525.15 : 1,304,862.71 = 444,139.47 : x
  2. Step 2: Convert to fraction form
    871,525.15/1,304,862.71 = 444,139.47/x
  3. Step 3: Cross multiply
    871,525.15x = 1,304,862.71 × 444,139.47
  4. Step 4: Simplify right side
    871,525.15x = 579,541,030,221.47
  5. Step 5: Solve for x
    x = 579,541,030,221.47/871,525.15
  6. Step 6: Final answer
    x = 664,973.39

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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.