Home / 764,820.54-1,055,453.22-425,281.50

Finding the Fourth Proportional to 764,820.54, 1,055,453.22 and 425,281.50

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Solution

The fourth proportional to 764,820.54, 1,055,453.22 and 425,281.50 is: 586,888.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    764,820.54 : 1,055,453.22 = 425,281.50 : x
  2. Step 2: Convert to fraction form
    764,820.54/1,055,453.22 = 425,281.50/x
  3. Step 3: Cross multiply
    764,820.54x = 1,055,453.22 × 425,281.50
  4. Step 4: Simplify right side
    764,820.54x = 448,864,728,581.43
  5. Step 5: Solve for x
    x = 448,864,728,581.43/764,820.54
  6. Step 6: Final answer
    x = 586,888.96

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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.