Home / 764,275.44-1,146,423.92-290,986.64

Finding the Fourth Proportional to 764,275.44, 1,146,423.92 and 290,986.64

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Solution

The fourth proportional to 764,275.44, 1,146,423.92 and 290,986.64 is: 436,484.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    764,275.44 : 1,146,423.92 = 290,986.64 : x
  2. Step 2: Convert to fraction form
    764,275.44/1,146,423.92 = 290,986.64/x
  3. Step 3: Cross multiply
    764,275.44x = 1,146,423.92 × 290,986.64
  4. Step 4: Simplify right side
    764,275.44x = 333,594,044,496.43
  5. Step 5: Solve for x
    x = 333,594,044,496.43/764,275.44
  6. Step 6: Final answer
    x = 436,484.06

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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.