Home / 870,981.64-1,306,471.98-271,994.14

Finding the Fourth Proportional to 870,981.64, 1,306,471.98 and 271,994.14

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Solution

The fourth proportional to 870,981.64, 1,306,471.98 and 271,994.14 is: 407,991.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    870,981.64 : 1,306,471.98 = 271,994.14 : x
  2. Step 2: Convert to fraction form
    870,981.64/1,306,471.98 = 271,994.14/x
  3. Step 3: Cross multiply
    870,981.64x = 1,306,471.98 × 271,994.14
  4. Step 4: Simplify right side
    870,981.64x = 355,352,722,634.20
  5. Step 5: Solve for x
    x = 355,352,722,634.20/870,981.64
  6. Step 6: Final answer
    x = 407,991.06

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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.