Home / 480,036.42-662,531.13-278,949.06

Finding the Fourth Proportional to 480,036.42, 662,531.13 and 278,949.06

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Solution

The fourth proportional to 480,036.42, 662,531.13 and 278,949.06 is: 384,996.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,036.42 : 662,531.13 = 278,949.06 : x
  2. Step 2: Convert to fraction form
    480,036.42/662,531.13 = 278,949.06/x
  3. Step 3: Cross multiply
    480,036.42x = 662,531.13 × 278,949.06
  4. Step 4: Simplify right side
    480,036.42x = 184,812,435,934.24
  5. Step 5: Solve for x
    x = 184,812,435,934.24/480,036.42
  6. Step 6: Final answer
    x = 384,996.70

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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.