Home / 764,196-1,144,718.50-447,693.36

Finding the Fourth Proportional to 764,196, 1,144,718.50 and 447,693.36

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Solution

The fourth proportional to 764,196, 1,144,718.50 and 447,693.36 is: 670,617.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    764,196 : 1,144,718.50 = 447,693.36 : x
  2. Step 2: Convert to fraction form
    764,196/1,144,718.50 = 447,693.36/x
  3. Step 3: Cross multiply
    764,196x = 1,144,718.50 × 447,693.36
  4. Step 4: Simplify right side
    764,196x = 512,482,871,519.16
  5. Step 5: Solve for x
    x = 512,482,871,519.16/764,196
  6. Step 6: Final answer
    x = 670,617.06

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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.