Home / 870,960.52-1,306,314.06-271,782.28

Finding the Fourth Proportional to 870,960.52, 1,306,314.06 and 271,782.28

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Solution

The fourth proportional to 870,960.52, 1,306,314.06 and 271,782.28 is: 407,633.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    870,960.52 : 1,306,314.06 = 271,782.28 : x
  2. Step 2: Convert to fraction form
    870,960.52/1,306,314.06 = 271,782.28/x
  3. Step 3: Cross multiply
    870,960.52x = 1,306,314.06 × 271,782.28
  4. Step 4: Simplify right side
    870,960.52x = 355,033,013,622.86
  5. Step 5: Solve for x
    x = 355,033,013,622.86/870,960.52
  6. Step 6: Final answer
    x = 407,633.88

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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.