Home / 383,926.12-575,440.82-288,850.90

Finding the Fourth Proportional to 383,926.12, 575,440.82 and 288,850.90

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Solution

The fourth proportional to 383,926.12, 575,440.82 and 288,850.90 is: 432,939.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,926.12 : 575,440.82 = 288,850.90 : x
  2. Step 2: Convert to fraction form
    383,926.12/575,440.82 = 288,850.90/x
  3. Step 3: Cross multiply
    383,926.12x = 575,440.82 × 288,850.90
  4. Step 4: Simplify right side
    383,926.12x = 166,216,598,753.74
  5. Step 5: Solve for x
    x = 166,216,598,753.74/383,926.12
  6. Step 6: Final answer
    x = 432,939.02

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1.5x scale

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.