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Finding the Fourth Proportional to 648,267.48, 894,671.22 and 361,814.22

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Solution

The fourth proportional to 648,267.48, 894,671.22 and 361,814.22 is: 499,338.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,267.48 : 894,671.22 = 361,814.22 : x
  2. Step 2: Convert to fraction form
    648,267.48/894,671.22 = 361,814.22/x
  3. Step 3: Cross multiply
    648,267.48x = 894,671.22 × 361,814.22
  4. Step 4: Simplify right side
    648,267.48x = 323,704,769,620.75
  5. Step 5: Solve for x
    x = 323,704,769,620.75/648,267.48
  6. Step 6: Final answer
    x = 499,338.28

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1.5x scale

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.