Home / 870,080.96-1,305,118.92-238,995.40

Finding the Fourth Proportional to 870,080.96, 1,305,118.92 and 238,995.40

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Solution

The fourth proportional to 870,080.96, 1,305,118.92 and 238,995.40 is: 358,492.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    870,080.96 : 1,305,118.92 = 238,995.40 : x
  2. Step 2: Convert to fraction form
    870,080.96/1,305,118.92 = 238,995.40/x
  3. Step 3: Cross multiply
    870,080.96x = 1,305,118.92 × 238,995.40
  4. Step 4: Simplify right side
    870,080.96x = 311,917,418,332.97
  5. Step 5: Solve for x
    x = 311,917,418,332.97/870,080.96
  6. Step 6: Final answer
    x = 358,492.41

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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.