Home / 906,961.16-1,251,568.81-493,499.63

Finding the Fourth Proportional to 906,961.16, 1,251,568.81 and 493,499.63

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Solution

The fourth proportional to 906,961.16, 1,251,568.81 and 493,499.63 is: 681,009.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    906,961.16 : 1,251,568.81 = 493,499.63 : x
  2. Step 2: Convert to fraction form
    906,961.16/1,251,568.81 = 493,499.63/x
  3. Step 3: Cross multiply
    906,961.16x = 1,251,568.81 × 493,499.63
  4. Step 4: Simplify right side
    906,961.16x = 617,648,744,654.54
  5. Step 5: Solve for x
    x = 617,648,744,654.54/906,961.16
  6. Step 6: Final answer
    x = 681,009.04

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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.