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Finding the Fourth Proportional to 668,720.50, 922,850.49 and 366,914.50

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Solution

The fourth proportional to 668,720.50, 922,850.49 and 366,914.50 is: 506,350.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    668,720.50 : 922,850.49 = 366,914.50 : x
  2. Step 2: Convert to fraction form
    668,720.50/922,850.49 = 366,914.50/x
  3. Step 3: Cross multiply
    668,720.50x = 922,850.49 × 366,914.50
  4. Step 4: Simplify right side
    668,720.50x = 338,607,226,113.11
  5. Step 5: Solve for x
    x = 338,607,226,113.11/668,720.50
  6. Step 6: Final answer
    x = 506,350.90

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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.