Home / 853,961.07-1,280,897.85-254,927.19

Finding the Fourth Proportional to 853,961.07, 1,280,897.85 and 254,927.19

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Solution

The fourth proportional to 853,961.07, 1,280,897.85 and 254,927.19 is: 382,377.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    853,961.07 : 1,280,897.85 = 254,927.19 : x
  2. Step 2: Convert to fraction form
    853,961.07/1,280,897.85 = 254,927.19/x
  3. Step 3: Cross multiply
    853,961.07x = 1,280,897.85 × 254,927.19
  4. Step 4: Simplify right side
    853,961.07x = 326,535,689,577.54
  5. Step 5: Solve for x
    x = 326,535,689,577.54/853,961.07
  6. Step 6: Final answer
    x = 382,377.72

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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.