Home / 948,385.72-1,422,604.50-317,276.92

Finding the Fourth Proportional to 948,385.72, 1,422,604.50 and 317,276.92

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Solution

The fourth proportional to 948,385.72, 1,422,604.50 and 317,276.92 is: 475,924.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    948,385.72 : 1,422,604.50 = 317,276.92 : x
  2. Step 2: Convert to fraction form
    948,385.72/1,422,604.50 = 317,276.92/x
  3. Step 3: Cross multiply
    948,385.72x = 1,422,604.50 × 317,276.92
  4. Step 4: Simplify right side
    948,385.72x = 451,359,574,138.14
  5. Step 5: Solve for x
    x = 451,359,574,138.14/948,385.72
  6. Step 6: Final answer
    x = 475,924.05

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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.