Home / 687,087.92-1,030,702.50-237,808.06

Finding the Fourth Proportional to 687,087.92, 1,030,702.50 and 237,808.06

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Solution

The fourth proportional to 687,087.92, 1,030,702.50 and 237,808.06 is: 356,736.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    687,087.92 : 1,030,702.50 = 237,808.06 : x
  2. Step 2: Convert to fraction form
    687,087.92/1,030,702.50 = 237,808.06/x
  3. Step 3: Cross multiply
    687,087.92x = 1,030,702.50 × 237,808.06
  4. Step 4: Simplify right side
    687,087.92x = 245,109,361,962.15
  5. Step 5: Solve for x
    x = 245,109,361,962.15/687,087.92
  6. Step 6: Final answer
    x = 356,736.53

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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.