Home / 384,825.12-574,419.62-339,374.72

Finding the Fourth Proportional to 384,825.12, 574,419.62 and 339,374.72

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Solution

The fourth proportional to 384,825.12, 574,419.62 and 339,374.72 is: 506,576.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,825.12 : 574,419.62 = 339,374.72 : x
  2. Step 2: Convert to fraction form
    384,825.12/574,419.62 = 339,374.72/x
  3. Step 3: Cross multiply
    384,825.12x = 574,419.62 × 339,374.72
  4. Step 4: Simplify right side
    384,825.12x = 194,943,497,700.01
  5. Step 5: Solve for x
    x = 194,943,497,700.01/384,825.12
  6. Step 6: Final answer
    x = 506,576.85

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.