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Finding the Fourth Proportional to 523,258.26, 783,517.07 and 342,775.89

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Solution

The fourth proportional to 523,258.26, 783,517.07 and 342,775.89 is: 513,266.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    523,258.26 : 783,517.07 = 342,775.89 : x
  2. Step 2: Convert to fraction form
    523,258.26/783,517.07 = 342,775.89/x
  3. Step 3: Cross multiply
    523,258.26x = 783,517.07 × 342,775.89
  4. Step 4: Simplify right side
    523,258.26x = 268,570,759,285.56
  5. Step 5: Solve for x
    x = 268,570,759,285.56/523,258.26
  6. Step 6: Final answer
    x = 513,266.16

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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.