Home / 497,964.70-745,962.90-272,922.40

Finding the Fourth Proportional to 497,964.70, 745,962.90 and 272,922.40

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Solution

The fourth proportional to 497,964.70, 745,962.90 and 272,922.40 is: 408,844.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,964.70 : 745,962.90 = 272,922.40 : x
  2. Step 2: Convert to fraction form
    497,964.70/745,962.90 = 272,922.40/x
  3. Step 3: Cross multiply
    497,964.70x = 745,962.90 × 272,922.40
  4. Step 4: Simplify right side
    497,964.70x = 203,589,984,978.96
  5. Step 5: Solve for x
    x = 203,589,984,978.96/497,964.70
  6. Step 6: Final answer
    x = 408,844.21

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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.