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Finding the Fourth Proportional to 873,660.52, 1,206,023.52 and 587,346.68

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Solution

The fourth proportional to 873,660.52, 1,206,023.52 and 587,346.68 is: 810,788.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    873,660.52 : 1,206,023.52 = 587,346.68 : x
  2. Step 2: Convert to fraction form
    873,660.52/1,206,023.52 = 587,346.68/x
  3. Step 3: Cross multiply
    873,660.52x = 1,206,023.52 × 587,346.68
  4. Step 4: Simplify right side
    873,660.52x = 708,353,910,473.91
  5. Step 5: Solve for x
    x = 708,353,910,473.91/873,660.52
  6. Step 6: Final answer
    x = 810,788.51

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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.