Home / 874,660.04-1,206,993.56-487,454.85

Finding the Fourth Proportional to 874,660.04, 1,206,993.56 and 487,454.85

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Solution

The fourth proportional to 874,660.04, 1,206,993.56 and 487,454.85 is: 672,666.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    874,660.04 : 1,206,993.56 = 487,454.85 : x
  2. Step 2: Convert to fraction form
    874,660.04/1,206,993.56 = 487,454.85/x
  3. Step 3: Cross multiply
    874,660.04x = 1,206,993.56 × 487,454.85
  4. Step 4: Simplify right side
    874,660.04x = 588,354,862,303.49
  5. Step 5: Solve for x
    x = 588,354,862,303.49/874,660.04
  6. Step 6: Final answer
    x = 672,666.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.