Home / 535,928.74-739,553.82-318,146.47

Finding the Fourth Proportional to 535,928.74, 739,553.82 and 318,146.47

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Solution

The fourth proportional to 535,928.74, 739,553.82 and 318,146.47 is: 439,025.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    535,928.74 : 739,553.82 = 318,146.47 : x
  2. Step 2: Convert to fraction form
    535,928.74/739,553.82 = 318,146.47/x
  3. Step 3: Cross multiply
    535,928.74x = 739,553.82 × 318,146.47
  4. Step 4: Simplify right side
    535,928.74x = 235,286,437,208.02
  5. Step 5: Solve for x
    x = 235,286,437,208.02/535,928.74
  6. Step 6: Final answer
    x = 439,025.60

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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.