Home / 678,045.01-1,016,661.54-228,755.93

Finding the Fourth Proportional to 678,045.01, 1,016,661.54 and 228,755.93

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Solution

The fourth proportional to 678,045.01, 1,016,661.54 and 228,755.93 is: 342,996.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    678,045.01 : 1,016,661.54 = 228,755.93 : x
  2. Step 2: Convert to fraction form
    678,045.01/1,016,661.54 = 228,755.93/x
  3. Step 3: Cross multiply
    678,045.01x = 1,016,661.54 × 228,755.93
  4. Step 4: Simplify right side
    678,045.01x = 232,567,356,077.93
  5. Step 5: Solve for x
    x = 232,567,356,077.93/678,045.01
  6. Step 6: Final answer
    x = 342,996.93

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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.