Home / 677,328.80-1,016,035.44-178,693.28

Finding the Fourth Proportional to 677,328.80, 1,016,035.44 and 178,693.28

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Solution

The fourth proportional to 677,328.80, 1,016,035.44 and 178,693.28 is: 268,051.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    677,328.80 : 1,016,035.44 = 178,693.28 : x
  2. Step 2: Convert to fraction form
    677,328.80/1,016,035.44 = 178,693.28/x
  3. Step 3: Cross multiply
    677,328.80x = 1,016,035.44 × 178,693.28
  4. Step 4: Simplify right side
    677,328.80x = 181,558,705,369.84
  5. Step 5: Solve for x
    x = 181,558,705,369.84/677,328.80
  6. Step 6: Final answer
    x = 268,051.06

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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.