Home / 992,934.16-1,489,450.44-283,066.78

Finding the Fourth Proportional to 992,934.16, 1,489,450.44 and 283,066.78

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Solution

The fourth proportional to 992,934.16, 1,489,450.44 and 283,066.78 is: 424,614.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    992,934.16 : 1,489,450.44 = 283,066.78 : x
  2. Step 2: Convert to fraction form
    992,934.16/1,489,450.44 = 283,066.78/x
  3. Step 3: Cross multiply
    992,934.16x = 1,489,450.44 × 283,066.78
  4. Step 4: Simplify right side
    992,934.16x = 421,613,940,020.38
  5. Step 5: Solve for x
    x = 421,613,940,020.38/992,934.16
  6. Step 6: Final answer
    x = 424,614.20

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1.5x scale

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.