Home / 687,915.51-1,032,056.26-238,635.67

Finding the Fourth Proportional to 687,915.51, 1,032,056.26 and 238,635.67

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Solution

The fourth proportional to 687,915.51, 1,032,056.26 and 238,635.67 is: 358,016.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    687,915.51 : 1,032,056.26 = 238,635.67 : x
  2. Step 2: Convert to fraction form
    687,915.51/1,032,056.26 = 238,635.67/x
  3. Step 3: Cross multiply
    687,915.51x = 1,032,056.26 × 238,635.67
  4. Step 4: Simplify right side
    687,915.51x = 246,285,436,512.33
  5. Step 5: Solve for x
    x = 246,285,436,512.33/687,915.51
  6. Step 6: Final answer
    x = 358,016.99

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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.