Home / 628,344.90-867,119.76-341,867.07

Finding the Fourth Proportional to 628,344.90, 867,119.76 and 341,867.07

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Solution

The fourth proportional to 628,344.90, 867,119.76 and 341,867.07 is: 471,778.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    628,344.90 : 867,119.76 = 341,867.07 : x
  2. Step 2: Convert to fraction form
    628,344.90/867,119.76 = 341,867.07/x
  3. Step 3: Cross multiply
    628,344.90x = 867,119.76 × 341,867.07
  4. Step 4: Simplify right side
    628,344.90x = 296,439,691,690.30
  5. Step 5: Solve for x
    x = 296,439,691,690.30/628,344.90
  6. Step 6: Final answer
    x = 471,778.62

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1.5x scale

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.