Home / 663,240.89-994,764.17-326,190.92

Finding the Fourth Proportional to 663,240.89, 994,764.17 and 326,190.92

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Solution

The fourth proportional to 663,240.89, 994,764.17 and 326,190.92 is: 489,238.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    663,240.89 : 994,764.17 = 326,190.92 : x
  2. Step 2: Convert to fraction form
    663,240.89/994,764.17 = 326,190.92/x
  3. Step 3: Cross multiply
    663,240.89x = 994,764.17 × 326,190.92
  4. Step 4: Simplify right side
    663,240.89x = 324,483,035,636.99
  5. Step 5: Solve for x
    x = 324,483,035,636.99/663,240.89
  6. Step 6: Final answer
    x = 489,238.58

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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.