Home / 764,899.95-1,147,421.88-225,156.59

Finding the Fourth Proportional to 764,899.95, 1,147,421.88 and 225,156.59

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Solution

The fourth proportional to 764,899.95, 1,147,421.88 and 225,156.59 is: 337,756.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    764,899.95 : 1,147,421.88 = 225,156.59 : x
  2. Step 2: Convert to fraction form
    764,899.95/1,147,421.88 = 225,156.59/x
  3. Step 3: Cross multiply
    764,899.95x = 1,147,421.88 × 225,156.59
  4. Step 4: Simplify right side
    764,899.95x = 258,349,592,055.08
  5. Step 5: Solve for x
    x = 258,349,592,055.08/764,899.95
  6. Step 6: Final answer
    x = 337,756.06

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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.