Home / 870,866.40-1,306,348.24-271,910.24

Finding the Fourth Proportional to 870,866.40, 1,306,348.24 and 271,910.24

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Solution

The fourth proportional to 870,866.40, 1,306,348.24 and 271,910.24 is: 407,880.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    870,866.40 : 1,306,348.24 = 271,910.24 : x
  2. Step 2: Convert to fraction form
    870,866.40/1,306,348.24 = 271,910.24/x
  3. Step 3: Cross multiply
    870,866.40x = 1,306,348.24 × 271,910.24
  4. Step 4: Simplify right side
    870,866.40x = 355,209,463,461.98
  5. Step 5: Solve for x
    x = 355,209,463,461.98/870,866.40
  6. Step 6: Final answer
    x = 407,880.55

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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.