Home / 815,830.46-1,223,619.30-416,766.14

Finding the Fourth Proportional to 815,830.46, 1,223,619.30 and 416,766.14

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Solution

The fourth proportional to 815,830.46, 1,223,619.30 and 416,766.14 is: 625,084.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    815,830.46 : 1,223,619.30 = 416,766.14 : x
  2. Step 2: Convert to fraction form
    815,830.46/1,223,619.30 = 416,766.14/x
  3. Step 3: Cross multiply
    815,830.46x = 1,223,619.30 × 416,766.14
  4. Step 4: Simplify right side
    815,830.46x = 509,963,092,490.50
  5. Step 5: Solve for x
    x = 509,963,092,490.50/815,830.46
  6. Step 6: Final answer
    x = 625,084.64

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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.