Home / 804,978.29-1,207,454.87-205,934.28

Finding the Fourth Proportional to 804,978.29, 1,207,454.87 and 205,934.28

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Solution

The fourth proportional to 804,978.29, 1,207,454.87 and 205,934.28 is: 308,898.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    804,978.29 : 1,207,454.87 = 205,934.28 : x
  2. Step 2: Convert to fraction form
    804,978.29/1,207,454.87 = 205,934.28/x
  3. Step 3: Cross multiply
    804,978.29x = 1,207,454.87 × 205,934.28
  4. Step 4: Simplify right side
    804,978.29x = 248,656,348,256.27
  5. Step 5: Solve for x
    x = 248,656,348,256.27/804,978.29
  6. Step 6: Final answer
    x = 308,898.21

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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.