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Finding the Fourth Proportional to 580,653.12, 870,979.35 and 181,328.11

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Solution

The fourth proportional to 580,653.12, 870,979.35 and 181,328.11 is: 271,992.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    580,653.12 : 870,979.35 = 181,328.11 : x
  2. Step 2: Convert to fraction form
    580,653.12/870,979.35 = 181,328.11/x
  3. Step 3: Cross multiply
    580,653.12x = 870,979.35 × 181,328.11
  4. Step 4: Simplify right side
    580,653.12x = 157,933,039,384.53
  5. Step 5: Solve for x
    x = 157,933,039,384.53/580,653.12
  6. Step 6: Final answer
    x = 271,992.06

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Similar ratio
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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.