Home / 383,426.45-575,140.08-382,872.68

Finding the Fourth Proportional to 383,426.45, 575,140.08 and 382,872.68

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Solution

The fourth proportional to 383,426.45, 575,140.08 and 382,872.68 is: 574,309.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,426.45 : 575,140.08 = 382,872.68 : x
  2. Step 2: Convert to fraction form
    383,426.45/575,140.08 = 382,872.68/x
  3. Step 3: Cross multiply
    383,426.45x = 575,140.08 × 382,872.68
  4. Step 4: Simplify right side
    383,426.45x = 220,205,423,805.01
  5. Step 5: Solve for x
    x = 220,205,423,805.01/383,426.45
  6. Step 6: Final answer
    x = 574,309.42

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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.