Home / 646,013.68-969,085.05-246,990.13

Finding the Fourth Proportional to 646,013.68, 969,085.05 and 246,990.13

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Solution

The fourth proportional to 646,013.68, 969,085.05 and 246,990.13 is: 370,509.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    646,013.68 : 969,085.05 = 246,990.13 : x
  2. Step 2: Convert to fraction form
    646,013.68/969,085.05 = 246,990.13/x
  3. Step 3: Cross multiply
    646,013.68x = 969,085.05 × 246,990.13
  4. Step 4: Simplify right side
    646,013.68x = 239,354,442,480.56
  5. Step 5: Solve for x
    x = 239,354,442,480.56/646,013.68
  6. Step 6: Final answer
    x = 370,509.87

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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.