Home / 992,923.80-1,489,443.30-283,003.80

Finding the Fourth Proportional to 992,923.80, 1,489,443.30 and 283,003.80

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Solution

The fourth proportional to 992,923.80, 1,489,443.30 and 283,003.80 is: 424,522.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    992,923.80 : 1,489,443.30 = 283,003.80 : x
  2. Step 2: Convert to fraction form
    992,923.80/1,489,443.30 = 283,003.80/x
  3. Step 3: Cross multiply
    992,923.80x = 1,489,443.30 × 283,003.80
  4. Step 4: Simplify right side
    992,923.80x = 421,518,113,784.54
  5. Step 5: Solve for x
    x = 421,518,113,784.54/992,923.80
  6. Step 6: Final answer
    x = 424,522.12

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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.