Home / 831,936.50-1,148,042.21-522,006.15

Finding the Fourth Proportional to 831,936.50, 1,148,042.21 and 522,006.15

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Solution

The fourth proportional to 831,936.50, 1,148,042.21 and 522,006.15 is: 720,349.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    831,936.50 : 1,148,042.21 = 522,006.15 : x
  2. Step 2: Convert to fraction form
    831,936.50/1,148,042.21 = 522,006.15/x
  3. Step 3: Cross multiply
    831,936.50x = 1,148,042.21 × 522,006.15
  4. Step 4: Simplify right side
    831,936.50x = 599,285,093,867.71
  5. Step 5: Solve for x
    x = 599,285,093,867.71/831,936.50
  6. Step 6: Final answer
    x = 720,349.56

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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.