Home / 804,966.19-1,207,490.65-205,932.55

Finding the Fourth Proportional to 804,966.19, 1,207,490.65 and 205,932.55

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Solution

The fourth proportional to 804,966.19, 1,207,490.65 and 205,932.55 is: 308,909.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    804,966.19 : 1,207,490.65 = 205,932.55 : x
  2. Step 2: Convert to fraction form
    804,966.19/1,207,490.65 = 205,932.55/x
  3. Step 3: Cross multiply
    804,966.19x = 1,207,490.65 × 205,932.55
  4. Step 4: Simplify right side
    804,966.19x = 248,661,628,655.66
  5. Step 5: Solve for x
    x = 248,661,628,655.66/804,966.19
  6. Step 6: Final answer
    x = 308,909.41

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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.