Home / 1,008,506.40-1,512,759.60-368,808.90

Finding the Fourth Proportional to 1,008,506.40, 1,512,759.60 and 368,808.90

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Solution

The fourth proportional to 1,008,506.40, 1,512,759.60 and 368,808.90 is: 553,213.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,008,506.40 : 1,512,759.60 = 368,808.90 : x
  2. Step 2: Convert to fraction form
    1,008,506.40/1,512,759.60 = 368,808.90/x
  3. Step 3: Cross multiply
    1,008,506.40x = 1,512,759.60 × 368,808.90
  4. Step 4: Simplify right side
    1,008,506.40x = 557,919,204,040.44
  5. Step 5: Solve for x
    x = 557,919,204,040.44/1,008,506.40
  6. Step 6: Final answer
    x = 553,213.35

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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.