Home / 764,623.50-1,055,181.69-425,091.75

Finding the Fourth Proportional to 764,623.50, 1,055,181.69 and 425,091.75

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Solution

The fourth proportional to 764,623.50, 1,055,181.69 and 425,091.75 is: 586,627.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    764,623.50 : 1,055,181.69 = 425,091.75 : x
  2. Step 2: Convert to fraction form
    764,623.50/1,055,181.69 = 425,091.75/x
  3. Step 3: Cross multiply
    764,623.50x = 1,055,181.69 × 425,091.75
  4. Step 4: Simplify right side
    764,623.50x = 448,549,031,170.06
  5. Step 5: Solve for x
    x = 448,549,031,170.06/764,623.50
  6. Step 6: Final answer
    x = 586,627.32

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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.