Home / 831,108.66-1,240,653.07-730,217.89

Finding the Fourth Proportional to 831,108.66, 1,240,653.07 and 730,217.89

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Solution

The fourth proportional to 831,108.66, 1,240,653.07 and 730,217.89 is: 1,090,046.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    831,108.66 : 1,240,653.07 = 730,217.89 : x
  2. Step 2: Convert to fraction form
    831,108.66/1,240,653.07 = 730,217.89/x
  3. Step 3: Cross multiply
    831,108.66x = 1,240,653.07 × 730,217.89
  4. Step 4: Simplify right side
    831,108.66x = 905,947,066,997.42
  5. Step 5: Solve for x
    x = 905,947,066,997.42/831,108.66
  6. Step 6: Final answer
    x = 1,090,046.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.