Home / 779,087.12-1,170,685.61-419,523.83

Finding the Fourth Proportional to 779,087.12, 1,170,685.61 and 419,523.83

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Solution

The fourth proportional to 779,087.12, 1,170,685.61 and 419,523.83 is: 630,392.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    779,087.12 : 1,170,685.61 = 419,523.83 : x
  2. Step 2: Convert to fraction form
    779,087.12/1,170,685.61 = 419,523.83/x
  3. Step 3: Cross multiply
    779,087.12x = 1,170,685.61 × 419,523.83
  4. Step 4: Simplify right side
    779,087.12x = 491,130,502,882.04
  5. Step 5: Solve for x
    x = 491,130,502,882.04/779,087.12
  6. Step 6: Final answer
    x = 630,392.28

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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.