Home / 634,230.40-951,345.60-278,867.20

Finding the Fourth Proportional to 634,230.40, 951,345.60 and 278,867.20

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Solution

The fourth proportional to 634,230.40, 951,345.60 and 278,867.20 is: 418,300.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    634,230.40 : 951,345.60 = 278,867.20 : x
  2. Step 2: Convert to fraction form
    634,230.40/951,345.60 = 278,867.20/x
  3. Step 3: Cross multiply
    634,230.40x = 951,345.60 × 278,867.20
  4. Step 4: Simplify right side
    634,230.40x = 265,299,083,704.32
  5. Step 5: Solve for x
    x = 265,299,083,704.32/634,230.40
  6. Step 6: Final answer
    x = 418,300.80

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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.