Home / 992,772.65-1,489,578.96-542,968.40

Finding the Fourth Proportional to 992,772.65, 1,489,578.96 and 542,968.40

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Solution

The fourth proportional to 992,772.65, 1,489,578.96 and 542,968.40 is: 814,682.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    992,772.65 : 1,489,578.96 = 542,968.40 : x
  2. Step 2: Convert to fraction form
    992,772.65/1,489,578.96 = 542,968.40/x
  3. Step 3: Cross multiply
    992,772.65x = 1,489,578.96 × 542,968.40
  4. Step 4: Simplify right side
    992,772.65x = 808,794,304,584.86
  5. Step 5: Solve for x
    x = 808,794,304,584.86/992,772.65
  6. Step 6: Final answer
    x = 814,682.30

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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.