Home / 815,687.47-1,223,655.59-416,110.27

Finding the Fourth Proportional to 815,687.47, 1,223,655.59 and 416,110.27

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Solution

The fourth proportional to 815,687.47, 1,223,655.59 and 416,110.27 is: 624,228.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    815,687.47 : 1,223,655.59 = 416,110.27 : x
  2. Step 2: Convert to fraction form
    815,687.47/1,223,655.59 = 416,110.27/x
  3. Step 3: Cross multiply
    815,687.47x = 1,223,655.59 × 416,110.27
  4. Step 4: Simplify right side
    815,687.47x = 509,175,658,982.19
  5. Step 5: Solve for x
    x = 509,175,658,982.19/815,687.47
  6. Step 6: Final answer
    x = 624,228.86

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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.