Home / 992,771.65-1,489,577.46-542,967.40

Finding the Fourth Proportional to 992,771.65, 1,489,577.46 and 542,967.40

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Solution

The fourth proportional to 992,771.65, 1,489,577.46 and 542,967.40 is: 814,680.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    992,771.65 : 1,489,577.46 = 542,967.40 : x
  2. Step 2: Convert to fraction form
    992,771.65/1,489,577.46 = 542,967.40/x
  3. Step 3: Cross multiply
    992,771.65x = 1,489,577.46 × 542,967.40
  4. Step 4: Simplify right side
    992,771.65x = 808,792,000,554.80
  5. Step 5: Solve for x
    x = 808,792,000,554.80/992,771.65
  6. Step 6: Final answer
    x = 814,680.80

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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.