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Finding the Fourth Proportional to 533,672.35, 736,500.50 and 307,390.75

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Solution

The fourth proportional to 533,672.35, 736,500.50 and 307,390.75 is: 424,218.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    533,672.35 : 736,500.50 = 307,390.75 : x
  2. Step 2: Convert to fraction form
    533,672.35/736,500.50 = 307,390.75/x
  3. Step 3: Cross multiply
    533,672.35x = 736,500.50 × 307,390.75
  4. Step 4: Simplify right side
    533,672.35x = 226,393,438,844.89
  5. Step 5: Solve for x
    x = 226,393,438,844.89/533,672.35
  6. Step 6: Final answer
    x = 424,218.04

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.