Home / 764,457.84-1,146,693.71-231,978.90

Finding the Fourth Proportional to 764,457.84, 1,146,693.71 and 231,978.90

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Solution

The fourth proportional to 764,457.84, 1,146,693.71 and 231,978.90 is: 347,970.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    764,457.84 : 1,146,693.71 = 231,978.90 : x
  2. Step 2: Convert to fraction form
    764,457.84/1,146,693.71 = 231,978.90/x
  3. Step 3: Cross multiply
    764,457.84x = 1,146,693.71 × 231,978.90
  4. Step 4: Simplify right side
    764,457.84x = 266,008,745,482.72
  5. Step 5: Solve for x
    x = 266,008,745,482.72/764,457.84
  6. Step 6: Final answer
    x = 347,970.46

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Similar ratio
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1.5x scale

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.