Home / 823,947.20-1,235,920.80-292,068.80

Finding the Fourth Proportional to 823,947.20, 1,235,920.80 and 292,068.80

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Solution

The fourth proportional to 823,947.20, 1,235,920.80 and 292,068.80 is: 438,103.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    823,947.20 : 1,235,920.80 = 292,068.80 : x
  2. Step 2: Convert to fraction form
    823,947.20/1,235,920.80 = 292,068.80/x
  3. Step 3: Cross multiply
    823,947.20x = 1,235,920.80 × 292,068.80
  4. Step 4: Simplify right side
    823,947.20x = 360,973,904,951.04
  5. Step 5: Solve for x
    x = 360,973,904,951.04/823,947.20
  6. Step 6: Final answer
    x = 438,103.20

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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.