Home / 971,231.60-1,456,847.40-306,383.60

Finding the Fourth Proportional to 971,231.60, 1,456,847.40 and 306,383.60

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Solution

The fourth proportional to 971,231.60, 1,456,847.40 and 306,383.60 is: 459,575.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    971,231.60 : 1,456,847.40 = 306,383.60 : x
  2. Step 2: Convert to fraction form
    971,231.60/1,456,847.40 = 306,383.60/x
  3. Step 3: Cross multiply
    971,231.60x = 1,456,847.40 × 306,383.60
  4. Step 4: Simplify right side
    971,231.60x = 446,354,151,062.64
  5. Step 5: Solve for x
    x = 446,354,151,062.64/971,231.60
  6. Step 6: Final answer
    x = 459,575.40

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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.