Home / 929,490.89-1,394,236.35-298,847.57

Finding the Fourth Proportional to 929,490.89, 1,394,236.35 and 298,847.57

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Solution

The fourth proportional to 929,490.89, 1,394,236.35 and 298,847.57 is: 448,271.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    929,490.89 : 1,394,236.35 = 298,847.57 : x
  2. Step 2: Convert to fraction form
    929,490.89/1,394,236.35 = 298,847.57/x
  3. Step 3: Cross multiply
    929,490.89x = 1,394,236.35 × 298,847.57
  4. Step 4: Simplify right side
    929,490.89x = 416,664,138,231.99
  5. Step 5: Solve for x
    x = 416,664,138,231.99/929,490.89
  6. Step 6: Final answer
    x = 448,271.35

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Double scale
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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.