Home / 938,671.66-1,295,149.89-633,314.53

Finding the Fourth Proportional to 938,671.66, 1,295,149.89 and 633,314.53

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Solution

The fourth proportional to 938,671.66, 1,295,149.89 and 633,314.53 is: 873,827.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    938,671.66 : 1,295,149.89 = 633,314.53 : x
  2. Step 2: Convert to fraction form
    938,671.66/1,295,149.89 = 633,314.53/x
  3. Step 3: Cross multiply
    938,671.66x = 1,295,149.89 × 633,314.53
  4. Step 4: Simplify right side
    938,671.66x = 820,237,243,864.90
  5. Step 5: Solve for x
    x = 820,237,243,864.90/938,671.66
  6. Step 6: Final answer
    x = 873,827.64

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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.