Home / 764,731.40-1,146,851.51-252,281.34

Finding the Fourth Proportional to 764,731.40, 1,146,851.51 and 252,281.34

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Solution

The fourth proportional to 764,731.40, 1,146,851.51 and 252,281.34 is: 378,340.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    764,731.40 : 1,146,851.51 = 252,281.34 : x
  2. Step 2: Convert to fraction form
    764,731.40/1,146,851.51 = 252,281.34/x
  3. Step 3: Cross multiply
    764,731.40x = 1,146,851.51 × 252,281.34
  4. Step 4: Simplify right side
    764,731.40x = 289,329,234,462.42
  5. Step 5: Solve for x
    x = 289,329,234,462.42/764,731.40
  6. Step 6: Final answer
    x = 378,340.99

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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.