Home / 739,617.53-1,109,489.67-259,803.63

Finding the Fourth Proportional to 739,617.53, 1,109,489.67 and 259,803.63

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Solution

The fourth proportional to 739,617.53, 1,109,489.67 and 259,803.63 is: 389,727.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    739,617.53 : 1,109,489.67 = 259,803.63 : x
  2. Step 2: Convert to fraction form
    739,617.53/1,109,489.67 = 259,803.63/x
  3. Step 3: Cross multiply
    739,617.53x = 1,109,489.67 × 259,803.63
  4. Step 4: Simplify right side
    739,617.53x = 288,249,443,713.50
  5. Step 5: Solve for x
    x = 288,249,443,713.50/739,617.53
  6. Step 6: Final answer
    x = 389,727.71

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1.5x scale

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.