Home / 746,399.61-1,120,032.97-314,085.20

Finding the Fourth Proportional to 746,399.61, 1,120,032.97 and 314,085.20

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Solution

The fourth proportional to 746,399.61, 1,120,032.97 and 314,085.20 is: 471,310.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    746,399.61 : 1,120,032.97 = 314,085.20 : x
  2. Step 2: Convert to fraction form
    746,399.61/1,120,032.97 = 314,085.20/x
  3. Step 3: Cross multiply
    746,399.61x = 1,120,032.97 × 314,085.20
  4. Step 4: Simplify right side
    746,399.61x = 351,785,773,003.67
  5. Step 5: Solve for x
    x = 351,785,773,003.67/746,399.61
  6. Step 6: Final answer
    x = 471,310.23

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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.