Home / 513,105.35-769,332.02-450,052.09

Finding the Fourth Proportional to 513,105.35, 769,332.02 and 450,052.09

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Solution

The fourth proportional to 513,105.35, 769,332.02 and 450,052.09 is: 674,792.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    513,105.35 : 769,332.02 = 450,052.09 : x
  2. Step 2: Convert to fraction form
    513,105.35/769,332.02 = 450,052.09/x
  3. Step 3: Cross multiply
    513,105.35x = 769,332.02 × 450,052.09
  4. Step 4: Simplify right side
    513,105.35x = 346,239,482,706.72
  5. Step 5: Solve for x
    x = 346,239,482,706.72/513,105.35
  6. Step 6: Final answer
    x = 674,792.19

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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.