Home / 764,045.14-1,146,296.88-308,401.92

Finding the Fourth Proportional to 764,045.14, 1,146,296.88 and 308,401.92

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Solution

The fourth proportional to 764,045.14, 1,146,296.88 and 308,401.92 is: 462,695.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    764,045.14 : 1,146,296.88 = 308,401.92 : x
  2. Step 2: Convert to fraction form
    764,045.14/1,146,296.88 = 308,401.92/x
  3. Step 3: Cross multiply
    764,045.14x = 1,146,296.88 × 308,401.92
  4. Step 4: Simplify right side
    764,045.14x = 353,520,158,682.01
  5. Step 5: Solve for x
    x = 353,520,158,682.01/764,045.14
  6. Step 6: Final answer
    x = 462,695.38

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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.