Home / 794,890.32-1,192,729.85-315,107.98

Finding the Fourth Proportional to 794,890.32, 1,192,729.85 and 315,107.98

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Solution

The fourth proportional to 794,890.32, 1,192,729.85 and 315,107.98 is: 472,818.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    794,890.32 : 1,192,729.85 = 315,107.98 : x
  2. Step 2: Convert to fraction form
    794,890.32/1,192,729.85 = 315,107.98/x
  3. Step 3: Cross multiply
    794,890.32x = 1,192,729.85 × 315,107.98
  4. Step 4: Simplify right side
    794,890.32x = 375,838,690,343.49
  5. Step 5: Solve for x
    x = 375,838,690,343.49/794,890.32
  6. Step 6: Final answer
    x = 472,818.30

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1.5x scale

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.