Home / 648,827.60-973,241.40-228,048.80

Finding the Fourth Proportional to 648,827.60, 973,241.40 and 228,048.80

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Solution

The fourth proportional to 648,827.60, 973,241.40 and 228,048.80 is: 342,073.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,827.60 : 973,241.40 = 228,048.80 : x
  2. Step 2: Convert to fraction form
    648,827.60/973,241.40 = 228,048.80/x
  3. Step 3: Cross multiply
    648,827.60x = 973,241.40 × 228,048.80
  4. Step 4: Simplify right side
    648,827.60x = 221,946,533,380.32
  5. Step 5: Solve for x
    x = 221,946,533,380.32/648,827.60
  6. Step 6: Final answer
    x = 342,073.20

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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.