Home / 766,281.60-1,149,422.40-197,661.60

Finding the Fourth Proportional to 766,281.60, 1,149,422.40 and 197,661.60

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Solution

The fourth proportional to 766,281.60, 1,149,422.40 and 197,661.60 is: 296,492.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    766,281.60 : 1,149,422.40 = 197,661.60 : x
  2. Step 2: Convert to fraction form
    766,281.60/1,149,422.40 = 197,661.60/x
  3. Step 3: Cross multiply
    766,281.60x = 1,149,422.40 × 197,661.60
  4. Step 4: Simplify right side
    766,281.60x = 227,196,670,659.84
  5. Step 5: Solve for x
    x = 227,196,670,659.84/766,281.60
  6. Step 6: Final answer
    x = 296,492.40

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Half scale
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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.