Home / 613,823.53-847,119.07-372,116.29

Finding the Fourth Proportional to 613,823.53, 847,119.07 and 372,116.29

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Solution

The fourth proportional to 613,823.53, 847,119.07 and 372,116.29 is: 513,546.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    613,823.53 : 847,119.07 = 372,116.29 : x
  2. Step 2: Convert to fraction form
    613,823.53/847,119.07 = 372,116.29/x
  3. Step 3: Cross multiply
    613,823.53x = 847,119.07 × 372,116.29
  4. Step 4: Simplify right side
    613,823.53x = 315,226,805,516.65
  5. Step 5: Solve for x
    x = 315,226,805,516.65/613,823.53
  6. Step 6: Final answer
    x = 513,546.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.