Home / 483,539.80-724,964.10-217,082.20

Finding the Fourth Proportional to 483,539.80, 724,964.10 and 217,082.20

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Solution

The fourth proportional to 483,539.80, 724,964.10 and 217,082.20 is: 325,468.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,539.80 : 724,964.10 = 217,082.20 : x
  2. Step 2: Convert to fraction form
    483,539.80/724,964.10 = 217,082.20/x
  3. Step 3: Cross multiply
    483,539.80x = 724,964.10 × 217,082.20
  4. Step 4: Simplify right side
    483,539.80x = 157,376,801,749.02
  5. Step 5: Solve for x
    x = 157,376,801,749.02/483,539.80
  6. Step 6: Final answer
    x = 325,468.15

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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.