Home / 693,402.60-1,040,103.90-272,692.20

Finding the Fourth Proportional to 693,402.60, 1,040,103.90 and 272,692.20

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Solution

The fourth proportional to 693,402.60, 1,040,103.90 and 272,692.20 is: 409,038.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    693,402.60 : 1,040,103.90 = 272,692.20 : x
  2. Step 2: Convert to fraction form
    693,402.60/1,040,103.90 = 272,692.20/x
  3. Step 3: Cross multiply
    693,402.60x = 1,040,103.90 × 272,692.20
  4. Step 4: Simplify right side
    693,402.60x = 283,628,220,719.58
  5. Step 5: Solve for x
    x = 283,628,220,719.58/693,402.60
  6. Step 6: Final answer
    x = 409,038.30

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Similar ratio
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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.