Home / 982,129.80-1,472,417.10-538,897.80

Finding the Fourth Proportional to 982,129.80, 1,472,417.10 and 538,897.80

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Solution

The fourth proportional to 982,129.80, 1,472,417.10 and 538,897.80 is: 807,920.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    982,129.80 : 1,472,417.10 = 538,897.80 : x
  2. Step 2: Convert to fraction form
    982,129.80/1,472,417.10 = 538,897.80/x
  3. Step 3: Cross multiply
    982,129.80x = 1,472,417.10 × 538,897.80
  4. Step 4: Simplify right side
    982,129.80x = 793,482,335,872.38
  5. Step 5: Solve for x
    x = 793,482,335,872.38/982,129.80
  6. Step 6: Final answer
    x = 807,920.03

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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.