Home / 982,122.80-1,472,406.60-538,890.80

Finding the Fourth Proportional to 982,122.80, 1,472,406.60 and 538,890.80

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Solution

The fourth proportional to 982,122.80, 1,472,406.60 and 538,890.80 is: 807,909.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    982,122.80 : 1,472,406.60 = 538,890.80 : x
  2. Step 2: Convert to fraction form
    982,122.80/1,472,406.60 = 538,890.80/x
  3. Step 3: Cross multiply
    982,122.80x = 1,472,406.60 × 538,890.80
  4. Step 4: Simplify right side
    982,122.80x = 793,466,370,599.28
  5. Step 5: Solve for x
    x = 793,466,370,599.28/982,122.80
  6. Step 6: Final answer
    x = 807,909.53

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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.