Home / 792,017.46-1,187,749.71-318,580.02

Finding the Fourth Proportional to 792,017.46, 1,187,749.71 and 318,580.02

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Solution

The fourth proportional to 792,017.46, 1,187,749.71 and 318,580.02 is: 477,758.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    792,017.46 : 1,187,749.71 = 318,580.02 : x
  2. Step 2: Convert to fraction form
    792,017.46/1,187,749.71 = 318,580.02/x
  3. Step 3: Cross multiply
    792,017.46x = 1,187,749.71 × 318,580.02
  4. Step 4: Simplify right side
    792,017.46x = 378,393,326,366.79
  5. Step 5: Solve for x
    x = 378,393,326,366.79/792,017.46
  6. Step 6: Final answer
    x = 477,758.82

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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.