Home / 634,345.04-951,517.56-213,585.68

Finding the Fourth Proportional to 634,345.04, 951,517.56 and 213,585.68

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Solution

The fourth proportional to 634,345.04, 951,517.56 and 213,585.68 is: 320,378.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    634,345.04 : 951,517.56 = 213,585.68 : x
  2. Step 2: Convert to fraction form
    634,345.04/951,517.56 = 213,585.68/x
  3. Step 3: Cross multiply
    634,345.04x = 951,517.56 × 213,585.68
  4. Step 4: Simplify right side
    634,345.04x = 203,230,525,084.54
  5. Step 5: Solve for x
    x = 203,230,525,084.54/634,345.04
  6. Step 6: Final answer
    x = 320,378.52

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Double scale
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Similar ratio
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1.5x scale

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.