Home / 771,539.76-1,156,748.85-322,389.18

Finding the Fourth Proportional to 771,539.76, 1,156,748.85 and 322,389.18

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Solution

The fourth proportional to 771,539.76, 1,156,748.85 and 322,389.18 is: 483,349.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    771,539.76 : 1,156,748.85 = 322,389.18 : x
  2. Step 2: Convert to fraction form
    771,539.76/1,156,748.85 = 322,389.18/x
  3. Step 3: Cross multiply
    771,539.76x = 1,156,748.85 × 322,389.18
  4. Step 4: Simplify right side
    771,539.76x = 372,923,313,217.44
  5. Step 5: Solve for x
    x = 372,923,313,217.44/771,539.76
  6. Step 6: Final answer
    x = 483,349.44

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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.