Home / 764,723.63-1,146,337.31-315,822.75

Finding the Fourth Proportional to 764,723.63, 1,146,337.31 and 315,822.75

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Solution

The fourth proportional to 764,723.63, 1,146,337.31 and 315,822.75 is: 473,425.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    764,723.63 : 1,146,337.31 = 315,822.75 : x
  2. Step 2: Convert to fraction form
    764,723.63/1,146,337.31 = 315,822.75/x
  3. Step 3: Cross multiply
    764,723.63x = 1,146,337.31 × 315,822.75
  4. Step 4: Simplify right side
    764,723.63x = 362,039,398,162.60
  5. Step 5: Solve for x
    x = 362,039,398,162.60/764,723.63
  6. Step 6: Final answer
    x = 473,425.15

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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.