Home / 838,750.35-1,258,125.53-207,664.17

Finding the Fourth Proportional to 838,750.35, 1,258,125.53 and 207,664.17

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Solution

The fourth proportional to 838,750.35, 1,258,125.53 and 207,664.17 is: 311,496.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    838,750.35 : 1,258,125.53 = 207,664.17 : x
  2. Step 2: Convert to fraction form
    838,750.35/1,258,125.53 = 207,664.17/x
  3. Step 3: Cross multiply
    838,750.35x = 1,258,125.53 × 207,664.17
  4. Step 4: Simplify right side
    838,750.35x = 261,267,592,904.94
  5. Step 5: Solve for x
    x = 261,267,592,904.94/838,750.35
  6. Step 6: Final answer
    x = 311,496.26

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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.