Home / 1,538,493.90-2,307,770.54-473,534.86

Finding the Fourth Proportional to 1,538,493.90, 2,307,770.54 and 473,534.86

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Solution

The fourth proportional to 1,538,493.90, 2,307,770.54 and 473,534.86 is: 710,311.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,538,493.90 : 2,307,770.54 = 473,534.86 : x
  2. Step 2: Convert to fraction form
    1,538,493.90/2,307,770.54 = 473,534.86/x
  3. Step 3: Cross multiply
    1,538,493.90x = 2,307,770.54 × 473,534.86
  4. Step 4: Simplify right side
    1,538,493.90x = 1,092,809,800,200.38
  5. Step 5: Solve for x
    x = 1,092,809,800,200.38/1,538,493.90
  6. Step 6: Final answer
    x = 710,311.43

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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.