Home / 648,839.60-973,259.40-228,060.80

Finding the Fourth Proportional to 648,839.60, 973,259.40 and 228,060.80

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Solution

The fourth proportional to 648,839.60, 973,259.40 and 228,060.80 is: 342,091.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,839.60 : 973,259.40 = 228,060.80 : x
  2. Step 2: Convert to fraction form
    648,839.60/973,259.40 = 228,060.80/x
  3. Step 3: Cross multiply
    648,839.60x = 973,259.40 × 228,060.80
  4. Step 4: Simplify right side
    648,839.60x = 221,962,317,371.52
  5. Step 5: Solve for x
    x = 221,962,317,371.52/648,839.60
  6. Step 6: Final answer
    x = 342,091.20

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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.