Home / 487,971.33-673,382.25-270,175.69

Finding the Fourth Proportional to 487,971.33, 673,382.25 and 270,175.69

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Solution

The fourth proportional to 487,971.33, 673,382.25 and 270,175.69 is: 372,832.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    487,971.33 : 673,382.25 = 270,175.69 : x
  2. Step 2: Convert to fraction form
    487,971.33/673,382.25 = 270,175.69/x
  3. Step 3: Cross multiply
    487,971.33x = 673,382.25 × 270,175.69
  4. Step 4: Simplify right side
    487,971.33x = 181,931,513,121.43
  5. Step 5: Solve for x
    x = 181,931,513,121.43/487,971.33
  6. Step 6: Final answer
    x = 372,832.38

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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.