Home / 881,678.30-1,322,517.45-216,830.30

Finding the Fourth Proportional to 881,678.30, 1,322,517.45 and 216,830.30

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Solution

The fourth proportional to 881,678.30, 1,322,517.45 and 216,830.30 is: 325,245.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    881,678.30 : 1,322,517.45 = 216,830.30 : x
  2. Step 2: Convert to fraction form
    881,678.30/1,322,517.45 = 216,830.30/x
  3. Step 3: Cross multiply
    881,678.30x = 1,322,517.45 × 216,830.30
  4. Step 4: Simplify right side
    881,678.30x = 286,761,855,438.74
  5. Step 5: Solve for x
    x = 286,761,855,438.74/881,678.30
  6. Step 6: Final answer
    x = 325,245.45

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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.