Home / 804,410.40-1,206,961.20-410,426.40

Finding the Fourth Proportional to 804,410.40, 1,206,961.20 and 410,426.40

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Solution

The fourth proportional to 804,410.40, 1,206,961.20 and 410,426.40 is: 615,815.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    804,410.40 : 1,206,961.20 = 410,426.40 : x
  2. Step 2: Convert to fraction form
    804,410.40/1,206,961.20 = 410,426.40/x
  3. Step 3: Cross multiply
    804,410.40x = 1,206,961.20 × 410,426.40
  4. Step 4: Simplify right side
    804,410.40x = 495,368,740,255.68
  5. Step 5: Solve for x
    x = 495,368,740,255.68/804,410.40
  6. Step 6: Final answer
    x = 615,815.93

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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.