Home / 811,167.35-1,216,882.25-337,900.55

Finding the Fourth Proportional to 811,167.35, 1,216,882.25 and 337,900.55

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Solution

The fourth proportional to 811,167.35, 1,216,882.25 and 337,900.55 is: 506,905.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    811,167.35 : 1,216,882.25 = 337,900.55 : x
  2. Step 2: Convert to fraction form
    811,167.35/1,216,882.25 = 337,900.55/x
  3. Step 3: Cross multiply
    811,167.35x = 1,216,882.25 × 337,900.55
  4. Step 4: Simplify right side
    811,167.35x = 411,185,173,786.32
  5. Step 5: Solve for x
    x = 411,185,173,786.32/811,167.35
  6. Step 6: Final answer
    x = 506,905.48

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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.