Home / 839,967.20-1,259,950.80-460,741.40

Finding the Fourth Proportional to 839,967.20, 1,259,950.80 and 460,741.40

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Solution

The fourth proportional to 839,967.20, 1,259,950.80 and 460,741.40 is: 691,112.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,967.20 : 1,259,950.80 = 460,741.40 : x
  2. Step 2: Convert to fraction form
    839,967.20/1,259,950.80 = 460,741.40/x
  3. Step 3: Cross multiply
    839,967.20x = 1,259,950.80 × 460,741.40
  4. Step 4: Simplify right side
    839,967.20x = 580,511,495,523.12
  5. Step 5: Solve for x
    x = 580,511,495,523.12/839,967.20
  6. Step 6: Final answer
    x = 691,112.10

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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.