Home / 870,855.36-1,306,331.66-271,899.24

Finding the Fourth Proportional to 870,855.36, 1,306,331.66 and 271,899.24

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Solution

The fourth proportional to 870,855.36, 1,306,331.66 and 271,899.24 is: 407,864.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    870,855.36 : 1,306,331.66 = 271,899.24 : x
  2. Step 2: Convert to fraction form
    870,855.36/1,306,331.66 = 271,899.24/x
  3. Step 3: Cross multiply
    870,855.36x = 1,306,331.66 × 271,899.24
  4. Step 4: Simplify right side
    870,855.36x = 355,190,585,541.94
  5. Step 5: Solve for x
    x = 355,190,585,541.94/870,855.36
  6. Step 6: Final answer
    x = 407,864.04

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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.