Home / 722,531.43-1,084,048.65-323,214.39

Finding the Fourth Proportional to 722,531.43, 1,084,048.65 and 323,214.39

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Solution

The fourth proportional to 722,531.43, 1,084,048.65 and 323,214.39 is: 484,934.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    722,531.43 : 1,084,048.65 = 323,214.39 : x
  2. Step 2: Convert to fraction form
    722,531.43/1,084,048.65 = 323,214.39/x
  3. Step 3: Cross multiply
    722,531.43x = 1,084,048.65 × 323,214.39
  4. Step 4: Simplify right side
    722,531.43x = 350,380,123,140.07
  5. Step 5: Solve for x
    x = 350,380,123,140.07/722,531.43
  6. Step 6: Final answer
    x = 484,934.09

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1.5x scale

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.