Home / 785,298.52-1,083,682.44-479,885.60

Finding the Fourth Proportional to 785,298.52, 1,083,682.44 and 479,885.60

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Solution

The fourth proportional to 785,298.52, 1,083,682.44 and 479,885.60 is: 662,224.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    785,298.52 : 1,083,682.44 = 479,885.60 : x
  2. Step 2: Convert to fraction form
    785,298.52/1,083,682.44 = 479,885.60/x
  3. Step 3: Cross multiply
    785,298.52x = 1,083,682.44 × 479,885.60
  4. Step 4: Simplify right side
    785,298.52x = 520,043,597,928.86
  5. Step 5: Solve for x
    x = 520,043,597,928.86/785,298.52
  6. Step 6: Final answer
    x = 662,224.09

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Double scale
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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.