Home / 992,770.65-1,489,575.96-542,966.40

Finding the Fourth Proportional to 992,770.65, 1,489,575.96 and 542,966.40

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Solution

The fourth proportional to 992,770.65, 1,489,575.96 and 542,966.40 is: 814,679.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    992,770.65 : 1,489,575.96 = 542,966.40 : x
  2. Step 2: Convert to fraction form
    992,770.65/1,489,575.96 = 542,966.40/x
  3. Step 3: Cross multiply
    992,770.65x = 1,489,575.96 × 542,966.40
  4. Step 4: Simplify right side
    992,770.65x = 808,789,696,527.74
  5. Step 5: Solve for x
    x = 808,789,696,527.74/992,770.65
  6. Step 6: Final answer
    x = 814,679.30

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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.