Home / 675,509.40-1,013,543.10-296,233.80

Finding the Fourth Proportional to 675,509.40, 1,013,543.10 and 296,233.80

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Solution

The fourth proportional to 675,509.40, 1,013,543.10 and 296,233.80 is: 444,473.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    675,509.40 : 1,013,543.10 = 296,233.80 : x
  2. Step 2: Convert to fraction form
    675,509.40/1,013,543.10 = 296,233.80/x
  3. Step 3: Cross multiply
    675,509.40x = 1,013,543.10 × 296,233.80
  4. Step 4: Simplify right side
    675,509.40x = 300,245,723,976.78
  5. Step 5: Solve for x
    x = 300,245,723,976.78/675,509.40
  6. Step 6: Final answer
    x = 444,473.05

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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.