Home / 513,120.20-769,354.28-450,066.96

Finding the Fourth Proportional to 513,120.20, 769,354.28 and 450,066.96

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Solution

The fourth proportional to 513,120.20, 769,354.28 and 450,066.96 is: 674,814.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    513,120.20 : 769,354.28 = 450,066.96 : x
  2. Step 2: Convert to fraction form
    513,120.20/769,354.28 = 450,066.96/x
  3. Step 3: Cross multiply
    513,120.20x = 769,354.28 × 450,066.96
  4. Step 4: Simplify right side
    513,120.20x = 346,260,941,962.59
  5. Step 5: Solve for x
    x = 346,260,941,962.59/513,120.20
  6. Step 6: Final answer
    x = 674,814.48

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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.