Home / 432,055.20-648,082.80-274,461.60

Finding the Fourth Proportional to 432,055.20, 648,082.80 and 274,461.60

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Solution

The fourth proportional to 432,055.20, 648,082.80 and 274,461.60 is: 411,692.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    432,055.20 : 648,082.80 = 274,461.60 : x
  2. Step 2: Convert to fraction form
    432,055.20/648,082.80 = 274,461.60/x
  3. Step 3: Cross multiply
    432,055.20x = 648,082.80 × 274,461.60
  4. Step 4: Simplify right side
    432,055.20x = 177,873,842,220.48
  5. Step 5: Solve for x
    x = 177,873,842,220.48/432,055.20
  6. Step 6: Final answer
    x = 411,692.40

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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.