Home / 535,788.36-739,334.04-320,922.90

Finding the Fourth Proportional to 535,788.36, 739,334.04 and 320,922.90

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Solution

The fourth proportional to 535,788.36, 739,334.04 and 320,922.90 is: 442,841.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    535,788.36 : 739,334.04 = 320,922.90 : x
  2. Step 2: Convert to fraction form
    535,788.36/739,334.04 = 320,922.90/x
  3. Step 3: Cross multiply
    535,788.36x = 739,334.04 × 320,922.90
  4. Step 4: Simplify right side
    535,788.36x = 237,269,224,185.52
  5. Step 5: Solve for x
    x = 237,269,224,185.52/535,788.36
  6. Step 6: Final answer
    x = 442,841.32

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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.