Home / 739,482.40-1,109,223.60-178,516.90

Finding the Fourth Proportional to 739,482.40, 1,109,223.60 and 178,516.90

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Solution

The fourth proportional to 739,482.40, 1,109,223.60 and 178,516.90 is: 267,775.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    739,482.40 : 1,109,223.60 = 178,516.90 : x
  2. Step 2: Convert to fraction form
    739,482.40/1,109,223.60 = 178,516.90/x
  3. Step 3: Cross multiply
    739,482.40x = 1,109,223.60 × 178,516.90
  4. Step 4: Simplify right side
    739,482.40x = 198,015,158,478.84
  5. Step 5: Solve for x
    x = 198,015,158,478.84/739,482.40
  6. Step 6: Final answer
    x = 267,775.35

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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.