Home / 438,027.75-604,478.03-247,040.69

Finding the Fourth Proportional to 438,027.75, 604,478.03 and 247,040.69

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Solution

The fourth proportional to 438,027.75, 604,478.03 and 247,040.69 is: 340,915.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,027.75 : 604,478.03 = 247,040.69 : x
  2. Step 2: Convert to fraction form
    438,027.75/604,478.03 = 247,040.69/x
  3. Step 3: Cross multiply
    438,027.75x = 604,478.03 × 247,040.69
  4. Step 4: Simplify right side
    438,027.75x = 149,330,665,363.45
  5. Step 5: Solve for x
    x = 149,330,665,363.45/438,027.75
  6. Step 6: Final answer
    x = 340,915.99

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.