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Finding the Fourth Proportional to 527,751.40, 791,607.66 and 228,307.36

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Solution

The fourth proportional to 527,751.40, 791,607.66 and 228,307.36 is: 342,452.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,751.40 : 791,607.66 = 228,307.36 : x
  2. Step 2: Convert to fraction form
    527,751.40/791,607.66 = 228,307.36/x
  3. Step 3: Cross multiply
    527,751.40x = 791,607.66 × 228,307.36
  4. Step 4: Simplify right side
    527,751.40x = 180,729,855,010.38
  5. Step 5: Solve for x
    x = 180,729,855,010.38/527,751.40
  6. Step 6: Final answer
    x = 342,452.63

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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.