Home / 712,246.60-1,068,369.90-213,610.60

Finding the Fourth Proportional to 712,246.60, 1,068,369.90 and 213,610.60

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Solution

The fourth proportional to 712,246.60, 1,068,369.90 and 213,610.60 is: 320,415.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    712,246.60 : 1,068,369.90 = 213,610.60 : x
  2. Step 2: Convert to fraction form
    712,246.60/1,068,369.90 = 213,610.60/x
  3. Step 3: Cross multiply
    712,246.60x = 1,068,369.90 × 213,610.60
  4. Step 4: Simplify right side
    712,246.60x = 228,215,135,360.94
  5. Step 5: Solve for x
    x = 228,215,135,360.94/712,246.60
  6. Step 6: Final answer
    x = 320,415.90

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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.