Home / 768,175.62-1,060,082.46-424,011.68

Finding the Fourth Proportional to 768,175.62, 1,060,082.46 and 424,011.68

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Solution

The fourth proportional to 768,175.62, 1,060,082.46 and 424,011.68 is: 585,136.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    768,175.62 : 1,060,082.46 = 424,011.68 : x
  2. Step 2: Convert to fraction form
    768,175.62/1,060,082.46 = 424,011.68/x
  3. Step 3: Cross multiply
    768,175.62x = 1,060,082.46 × 424,011.68
  4. Step 4: Simplify right side
    768,175.62x = 449,487,344,803.13
  5. Step 5: Solve for x
    x = 449,487,344,803.13/768,175.62
  6. Step 6: Final answer
    x = 585,136.18

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.