Home / 845,666.38-1,268,482.56-205,973.74

Finding the Fourth Proportional to 845,666.38, 1,268,482.56 and 205,973.74

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Solution

The fourth proportional to 845,666.38, 1,268,482.56 and 205,973.74 is: 308,956.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    845,666.38 : 1,268,482.56 = 205,973.74 : x
  2. Step 2: Convert to fraction form
    845,666.38/1,268,482.56 = 205,973.74/x
  3. Step 3: Cross multiply
    845,666.38x = 1,268,482.56 × 205,973.74
  4. Step 4: Simplify right side
    845,666.38x = 261,274,097,007.97
  5. Step 5: Solve for x
    x = 261,274,097,007.97/845,666.38
  6. Step 6: Final answer
    x = 308,956.47

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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.