Home / 856,270.60-1,284,017.10-323,614.60

Finding the Fourth Proportional to 856,270.60, 1,284,017.10 and 323,614.60

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Solution

The fourth proportional to 856,270.60, 1,284,017.10 and 323,614.60 is: 485,274.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    856,270.60 : 1,284,017.10 = 323,614.60 : x
  2. Step 2: Convert to fraction form
    856,270.60/1,284,017.10 = 323,614.60/x
  3. Step 3: Cross multiply
    856,270.60x = 1,284,017.10 × 323,614.60
  4. Step 4: Simplify right side
    856,270.60x = 415,526,680,209.66
  5. Step 5: Solve for x
    x = 415,526,680,209.66/856,270.60
  6. Step 6: Final answer
    x = 485,274.96

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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.