Home / 831,243.52-1,147,093.08-468,664.21

Finding the Fourth Proportional to 831,243.52, 1,147,093.08 and 468,664.21

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Solution

The fourth proportional to 831,243.52, 1,147,093.08 and 468,664.21 is: 646,743.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    831,243.52 : 1,147,093.08 = 468,664.21 : x
  2. Step 2: Convert to fraction form
    831,243.52/1,147,093.08 = 468,664.21/x
  3. Step 3: Cross multiply
    831,243.52x = 1,147,093.08 × 468,664.21
  4. Step 4: Simplify right side
    831,243.52x = 537,601,472,134.67
  5. Step 5: Solve for x
    x = 537,601,472,134.67/831,243.52
  6. Step 6: Final answer
    x = 646,743.65

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1.5x scale

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.