Home / 764,983.08-1,055,661.66-425,444.04

Finding the Fourth Proportional to 764,983.08, 1,055,661.66 and 425,444.04

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Solution

The fourth proportional to 764,983.08, 1,055,661.66 and 425,444.04 is: 587,104.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    764,983.08 : 1,055,661.66 = 425,444.04 : x
  2. Step 2: Convert to fraction form
    764,983.08/1,055,661.66 = 425,444.04/x
  3. Step 3: Cross multiply
    764,983.08x = 1,055,661.66 × 425,444.04
  4. Step 4: Simplify right side
    764,983.08x = 449,124,961,503.51
  5. Step 5: Solve for x
    x = 449,124,961,503.51/764,983.08
  6. Step 6: Final answer
    x = 587,104.44

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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.