Home / 855,000.80-1,282,616.40-294,207.20

Finding the Fourth Proportional to 855,000.80, 1,282,616.40 and 294,207.20

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Solution

The fourth proportional to 855,000.80, 1,282,616.40 and 294,207.20 is: 441,350.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    855,000.80 : 1,282,616.40 = 294,207.20 : x
  2. Step 2: Convert to fraction form
    855,000.80/1,282,616.40 = 294,207.20/x
  3. Step 3: Cross multiply
    855,000.80x = 1,282,616.40 × 294,207.20
  4. Step 4: Simplify right side
    855,000.80x = 377,354,979,718.08
  5. Step 5: Solve for x
    x = 377,354,979,718.08/855,000.80
  6. Step 6: Final answer
    x = 441,350.44

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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.