Home / 779,843.52-1,169,759.28-318,219.72

Finding the Fourth Proportional to 779,843.52, 1,169,759.28 and 318,219.72

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Solution

The fourth proportional to 779,843.52, 1,169,759.28 and 318,219.72 is: 477,327.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    779,843.52 : 1,169,759.28 = 318,219.72 : x
  2. Step 2: Convert to fraction form
    779,843.52/1,169,759.28 = 318,219.72/x
  3. Step 3: Cross multiply
    779,843.52x = 1,169,759.28 × 318,219.72
  4. Step 4: Simplify right side
    779,843.52x = 372,240,470,549.00
  5. Step 5: Solve for x
    x = 372,240,470,549.00/779,843.52
  6. Step 6: Final answer
    x = 477,327.13

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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.