Home / 382,688.20-574,032.30-341,353.90

Finding the Fourth Proportional to 382,688.20, 574,032.30 and 341,353.90

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Solution

The fourth proportional to 382,688.20, 574,032.30 and 341,353.90 is: 512,030.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,688.20 : 574,032.30 = 341,353.90 : x
  2. Step 2: Convert to fraction form
    382,688.20/574,032.30 = 341,353.90/x
  3. Step 3: Cross multiply
    382,688.20x = 574,032.30 × 341,353.90
  4. Step 4: Simplify right side
    382,688.20x = 195,948,164,330.97
  5. Step 5: Solve for x
    x = 195,948,164,330.97/382,688.20
  6. Step 6: Final answer
    x = 512,030.85

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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.