Home / 409,535.68-565,382.28-282,892.72

Finding the Fourth Proportional to 409,535.68, 565,382.28 and 282,892.72

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Solution

The fourth proportional to 409,535.68, 565,382.28 and 282,892.72 is: 390,546.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    409,535.68 : 565,382.28 = 282,892.72 : x
  2. Step 2: Convert to fraction form
    409,535.68/565,382.28 = 282,892.72/x
  3. Step 3: Cross multiply
    409,535.68x = 565,382.28 × 282,892.72
  4. Step 4: Simplify right side
    409,535.68x = 159,942,531,029.00
  5. Step 5: Solve for x
    x = 159,942,531,029.00/409,535.68
  6. Step 6: Final answer
    x = 390,546.02

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.