Home / 759,687.79-1,139,111.01-310,723.96

Finding the Fourth Proportional to 759,687.79, 1,139,111.01 and 310,723.96

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Solution

The fourth proportional to 759,687.79, 1,139,111.01 and 310,723.96 is: 465,913.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    759,687.79 : 1,139,111.01 = 310,723.96 : x
  2. Step 2: Convert to fraction form
    759,687.79/1,139,111.01 = 310,723.96/x
  3. Step 3: Cross multiply
    759,687.79x = 1,139,111.01 × 310,723.96
  4. Step 4: Simplify right side
    759,687.79x = 353,949,083,906.80
  5. Step 5: Solve for x
    x = 353,949,083,906.80/759,687.79
  6. Step 6: Final answer
    x = 465,913.88

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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.