Home / 808,082.20-1,210,373.70-668,114.20

Finding the Fourth Proportional to 808,082.20, 1,210,373.70 and 668,114.20

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Solution

The fourth proportional to 808,082.20, 1,210,373.70 and 668,114.20 is: 1,000,724.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,082.20 : 1,210,373.70 = 668,114.20 : x
  2. Step 2: Convert to fraction form
    808,082.20/1,210,373.70 = 668,114.20/x
  3. Step 3: Cross multiply
    808,082.20x = 1,210,373.70 × 668,114.20
  4. Step 4: Simplify right side
    808,082.20x = 808,667,856,276.54
  5. Step 5: Solve for x
    x = 808,667,856,276.54/808,082.20
  6. Step 6: Final answer
    x = 1,000,724.75

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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.