Home / 487,450.23-672,668.76-269,653.26

Finding the Fourth Proportional to 487,450.23, 672,668.76 and 269,653.26

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Solution

The fourth proportional to 487,450.23, 672,668.76 and 269,653.26 is: 372,114.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    487,450.23 : 672,668.76 = 269,653.26 : x
  2. Step 2: Convert to fraction form
    487,450.23/672,668.76 = 269,653.26/x
  3. Step 3: Cross multiply
    487,450.23x = 672,668.76 × 269,653.26
  4. Step 4: Simplify right side
    487,450.23x = 181,387,324,034.16
  5. Step 5: Solve for x
    x = 181,387,324,034.16/487,450.23
  6. Step 6: Final answer
    x = 372,114.55

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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.