Home / 494,154.16-681,423.60-422,770.48

Finding the Fourth Proportional to 494,154.16, 681,423.60 and 422,770.48

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Solution

The fourth proportional to 494,154.16, 681,423.60 and 422,770.48 is: 582,987.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    494,154.16 : 681,423.60 = 422,770.48 : x
  2. Step 2: Convert to fraction form
    494,154.16/681,423.60 = 422,770.48/x
  3. Step 3: Cross multiply
    494,154.16x = 681,423.60 × 422,770.48
  4. Step 4: Simplify right side
    494,154.16x = 288,085,782,337.16
  5. Step 5: Solve for x
    x = 288,085,782,337.16/494,154.16
  6. Step 6: Final answer
    x = 582,987.67

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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.