Home / 764,010.07-1,145,129.30-719,723.32

Finding the Fourth Proportional to 764,010.07, 1,145,129.30 and 719,723.32

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Solution

The fourth proportional to 764,010.07, 1,145,129.30 and 719,723.32 is: 1,078,750.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    764,010.07 : 1,145,129.30 = 719,723.32 : x
  2. Step 2: Convert to fraction form
    764,010.07/1,145,129.30 = 719,723.32/x
  3. Step 3: Cross multiply
    764,010.07x = 1,145,129.30 × 719,723.32
  4. Step 4: Simplify right side
    764,010.07x = 824,176,264,304.15
  5. Step 5: Solve for x
    x = 824,176,264,304.15/764,010.07
  6. Step 6: Final answer
    x = 1,078,750.52

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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.