Home / 517,822.20-777,024.90-202,238.10

Finding the Fourth Proportional to 517,822.20, 777,024.90 and 202,238.10

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Solution

The fourth proportional to 517,822.20, 777,024.90 and 202,238.10 is: 303,471.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    517,822.20 : 777,024.90 = 202,238.10 : x
  2. Step 2: Convert to fraction form
    517,822.20/777,024.90 = 202,238.10/x
  3. Step 3: Cross multiply
    517,822.20x = 777,024.90 × 202,238.10
  4. Step 4: Simplify right side
    517,822.20x = 157,144,039,428.69
  5. Step 5: Solve for x
    x = 157,144,039,428.69/517,822.20
  6. Step 6: Final answer
    x = 303,471.04

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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.