Home / 480,949.53-663,686.10-263,153.49

Finding the Fourth Proportional to 480,949.53, 663,686.10 and 263,153.49

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Solution

The fourth proportional to 480,949.53, 663,686.10 and 263,153.49 is: 363,138.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,949.53 : 663,686.10 = 263,153.49 : x
  2. Step 2: Convert to fraction form
    480,949.53/663,686.10 = 263,153.49/x
  3. Step 3: Cross multiply
    480,949.53x = 663,686.10 × 263,153.49
  4. Step 4: Simplify right side
    480,949.53x = 174,651,313,479.49
  5. Step 5: Solve for x
    x = 174,651,313,479.49/480,949.53
  6. Step 6: Final answer
    x = 363,138.55

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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.