Home / 821,470.60-1,232,205.90-448,222.60

Finding the Fourth Proportional to 821,470.60, 1,232,205.90 and 448,222.60

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Solution

The fourth proportional to 821,470.60, 1,232,205.90 and 448,222.60 is: 672,333.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    821,470.60 : 1,232,205.90 = 448,222.60 : x
  2. Step 2: Convert to fraction form
    821,470.60/1,232,205.90 = 448,222.60/x
  3. Step 3: Cross multiply
    821,470.60x = 1,232,205.90 × 448,222.60
  4. Step 4: Simplify right side
    821,470.60x = 552,302,532,233.34
  5. Step 5: Solve for x
    x = 552,302,532,233.34/821,470.60
  6. Step 6: Final answer
    x = 672,333.90

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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.