Home / 856,493.57-1,181,909.91-474,492.71

Finding the Fourth Proportional to 856,493.57, 1,181,909.91 and 474,492.71

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Solution

The fourth proportional to 856,493.57, 1,181,909.91 and 474,492.71 is: 654,771.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    856,493.57 : 1,181,909.91 = 474,492.71 : x
  2. Step 2: Convert to fraction form
    856,493.57/1,181,909.91 = 474,492.71/x
  3. Step 3: Cross multiply
    856,493.57x = 1,181,909.91 × 474,492.71
  4. Step 4: Simplify right side
    856,493.57x = 560,807,640,905.88
  5. Step 5: Solve for x
    x = 560,807,640,905.88/856,493.57
  6. Step 6: Final answer
    x = 654,771.57

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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.