Home / 870,949.80-1,306,424.82-271,962.30

Finding the Fourth Proportional to 870,949.80, 1,306,424.82 and 271,962.30

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Solution

The fourth proportional to 870,949.80, 1,306,424.82 and 271,962.30 is: 407,943.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    870,949.80 : 1,306,424.82 = 271,962.30 : x
  2. Step 2: Convert to fraction form
    870,949.80/1,306,424.82 = 271,962.30/x
  3. Step 3: Cross multiply
    870,949.80x = 1,306,424.82 × 271,962.30
  4. Step 4: Simplify right side
    870,949.80x = 355,298,298,824.29
  5. Step 5: Solve for x
    x = 355,298,298,824.29/870,949.80
  6. Step 6: Final answer
    x = 407,943.49

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1.5x scale

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.