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Finding the Fourth Proportional to 636,492.88, 878,366.46 and 350,014.96

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Solution

The fourth proportional to 636,492.88, 878,366.46 and 350,014.96 is: 483,024.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    636,492.88 : 878,366.46 = 350,014.96 : x
  2. Step 2: Convert to fraction form
    636,492.88/878,366.46 = 350,014.96/x
  3. Step 3: Cross multiply
    636,492.88x = 878,366.46 × 350,014.96
  4. Step 4: Simplify right side
    636,492.88x = 307,441,401,362.24
  5. Step 5: Solve for x
    x = 307,441,401,362.24/636,492.88
  6. Step 6: Final answer
    x = 483,024.10

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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.