Home / 815,822.46-1,223,607.33-416,758.14

Finding the Fourth Proportional to 815,822.46, 1,223,607.33 and 416,758.14

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Solution

The fourth proportional to 815,822.46, 1,223,607.33 and 416,758.14 is: 625,072.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    815,822.46 : 1,223,607.33 = 416,758.14 : x
  2. Step 2: Convert to fraction form
    815,822.46/1,223,607.33 = 416,758.14/x
  3. Step 3: Cross multiply
    815,822.46x = 1,223,607.33 × 416,758.14
  4. Step 4: Simplify right side
    815,822.46x = 509,948,314,941.17
  5. Step 5: Solve for x
    x = 509,948,314,941.17/815,822.46
  6. Step 6: Final answer
    x = 625,072.66

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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.