Home / 816,214.50-1,223,620.55-283,666.34

Finding the Fourth Proportional to 816,214.50, 1,223,620.55 and 283,666.34

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Solution

The fourth proportional to 816,214.50, 1,223,620.55 and 283,666.34 is: 425,255.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    816,214.50 : 1,223,620.55 = 283,666.34 : x
  2. Step 2: Convert to fraction form
    816,214.50/1,223,620.55 = 283,666.34/x
  3. Step 3: Cross multiply
    816,214.50x = 1,223,620.55 × 283,666.34
  4. Step 4: Simplify right side
    816,214.50x = 347,099,962,967.29
  5. Step 5: Solve for x
    x = 347,099,962,967.29/816,214.50
  6. Step 6: Final answer
    x = 425,255.82

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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.