Home / 806,054.64-1,206,099.54-486,391.92

Finding the Fourth Proportional to 806,054.64, 1,206,099.54 and 486,391.92

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Solution

The fourth proportional to 806,054.64, 1,206,099.54 and 486,391.92 is: 727,788.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    806,054.64 : 1,206,099.54 = 486,391.92 : x
  2. Step 2: Convert to fraction form
    806,054.64/1,206,099.54 = 486,391.92/x
  3. Step 3: Cross multiply
    806,054.64x = 1,206,099.54 × 486,391.92
  4. Step 4: Simplify right side
    806,054.64x = 586,637,070,971.72
  5. Step 5: Solve for x
    x = 586,637,070,971.72/806,054.64
  6. Step 6: Final answer
    x = 727,788.22

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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.