Home / 480,036.92-662,531.82-278,949.56

Finding the Fourth Proportional to 480,036.92, 662,531.82 and 278,949.56

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Solution

The fourth proportional to 480,036.92, 662,531.82 and 278,949.56 is: 384,997.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,036.92 : 662,531.82 = 278,949.56 : x
  2. Step 2: Convert to fraction form
    480,036.92/662,531.82 = 278,949.56/x
  3. Step 3: Cross multiply
    480,036.92x = 662,531.82 × 278,949.56
  4. Step 4: Simplify right side
    480,036.92x = 184,812,959,675.00
  5. Step 5: Solve for x
    x = 184,812,959,675.00/480,036.92
  6. Step 6: Final answer
    x = 384,997.39

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1.5x scale

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.