Home / 806,939.28-1,210,568.22-238,330.08

Finding the Fourth Proportional to 806,939.28, 1,210,568.22 and 238,330.08

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Solution

The fourth proportional to 806,939.28, 1,210,568.22 and 238,330.08 is: 357,542.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    806,939.28 : 1,210,568.22 = 238,330.08 : x
  2. Step 2: Convert to fraction form
    806,939.28/1,210,568.22 = 238,330.08/x
  3. Step 3: Cross multiply
    806,939.28x = 1,210,568.22 × 238,330.08
  4. Step 4: Simplify right side
    806,939.28x = 288,514,820,718.06
  5. Step 5: Solve for x
    x = 288,514,820,718.06/806,939.28
  6. Step 6: Final answer
    x = 357,542.17

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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.