Home / 807,318.86-1,115,233.18-764,803.58

Finding the Fourth Proportional to 807,318.86, 1,115,233.18 and 764,803.58

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Solution

The fourth proportional to 807,318.86, 1,115,233.18 and 764,803.58 is: 1,056,502.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    807,318.86 : 1,115,233.18 = 764,803.58 : x
  2. Step 2: Convert to fraction form
    807,318.86/1,115,233.18 = 764,803.58/x
  3. Step 3: Cross multiply
    807,318.86x = 1,115,233.18 × 764,803.58
  4. Step 4: Simplify right side
    807,318.86x = 852,934,321,110.61
  5. Step 5: Solve for x
    x = 852,934,321,110.61/807,318.86
  6. Step 6: Final answer
    x = 1,056,502.42

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.