Home / 764,262.90-1,146,405.24-290,974.14

Finding the Fourth Proportional to 764,262.90, 1,146,405.24 and 290,974.14

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Solution

The fourth proportional to 764,262.90, 1,146,405.24 and 290,974.14 is: 436,465.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    764,262.90 : 1,146,405.24 = 290,974.14 : x
  2. Step 2: Convert to fraction form
    764,262.90/1,146,405.24 = 290,974.14/x
  3. Step 3: Cross multiply
    764,262.90x = 1,146,405.24 × 290,974.14
  4. Step 4: Simplify right side
    764,262.90x = 333,574,278,800.49
  5. Step 5: Solve for x
    x = 333,574,278,800.49/764,262.90
  6. Step 6: Final answer
    x = 436,465.36

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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.