Home / 764,733.79-1,146,430-291,104.11

Finding the Fourth Proportional to 764,733.79, 1,146,430 and 291,104.11

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Solution

The fourth proportional to 764,733.79, 1,146,430 and 291,104.11 is: 436,400.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    764,733.79 : 1,146,430 = 291,104.11 : x
  2. Step 2: Convert to fraction form
    764,733.79/1,146,430 = 291,104.11/x
  3. Step 3: Cross multiply
    764,733.79x = 1,146,430 × 291,104.11
  4. Step 4: Simplify right side
    764,733.79x = 333,730,484,827.30
  5. Step 5: Solve for x
    x = 333,730,484,827.30/764,733.79
  6. Step 6: Final answer
    x = 436,400.86

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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.