Home / 671,447.10-1,007,170.65-664,448.70

Finding the Fourth Proportional to 671,447.10, 1,007,170.65 and 664,448.70

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Solution

The fourth proportional to 671,447.10, 1,007,170.65 and 664,448.70 is: 996,673.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    671,447.10 : 1,007,170.65 = 664,448.70 : x
  2. Step 2: Convert to fraction form
    671,447.10/1,007,170.65 = 664,448.70/x
  3. Step 3: Cross multiply
    671,447.10x = 1,007,170.65 × 664,448.70
  4. Step 4: Simplify right side
    671,447.10x = 669,213,229,070.66
  5. Step 5: Solve for x
    x = 669,213,229,070.66/671,447.10
  6. Step 6: Final answer
    x = 996,673.05

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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.