Home / 793,221.30-1,190,512.35-320,246.10

Finding the Fourth Proportional to 793,221.30, 1,190,512.35 and 320,246.10

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Solution

The fourth proportional to 793,221.30, 1,190,512.35 and 320,246.10 is: 480,643.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    793,221.30 : 1,190,512.35 = 320,246.10 : x
  2. Step 2: Convert to fraction form
    793,221.30/1,190,512.35 = 320,246.10/x
  3. Step 3: Cross multiply
    793,221.30x = 1,190,512.35 × 320,246.10
  4. Step 4: Simplify right side
    793,221.30x = 381,256,937,089.34
  5. Step 5: Solve for x
    x = 381,256,937,089.34/793,221.30
  6. Step 6: Final answer
    x = 480,643.85

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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.