Home / 938,810.32-1,407,846.96-331,469.12

Finding the Fourth Proportional to 938,810.32, 1,407,846.96 and 331,469.12

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Solution

The fourth proportional to 938,810.32, 1,407,846.96 and 331,469.12 is: 497,073.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    938,810.32 : 1,407,846.96 = 331,469.12 : x
  2. Step 2: Convert to fraction form
    938,810.32/1,407,846.96 = 331,469.12/x
  3. Step 3: Cross multiply
    938,810.32x = 1,407,846.96 × 331,469.12
  4. Step 4: Simplify right side
    938,810.32x = 466,657,792,925.88
  5. Step 5: Solve for x
    x = 466,657,792,925.88/938,810.32
  6. Step 6: Final answer
    x = 497,073.57

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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.