Home / 929,487.60-1,394,231.40-298,465.20

Finding the Fourth Proportional to 929,487.60, 1,394,231.40 and 298,465.20

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Solution

The fourth proportional to 929,487.60, 1,394,231.40 and 298,465.20 is: 447,697.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    929,487.60 : 1,394,231.40 = 298,465.20 : x
  2. Step 2: Convert to fraction form
    929,487.60/1,394,231.40 = 298,465.20/x
  3. Step 3: Cross multiply
    929,487.60x = 1,394,231.40 × 298,465.20
  4. Step 4: Simplify right side
    929,487.60x = 416,129,553,647.28
  5. Step 5: Solve for x
    x = 416,129,553,647.28/929,487.60
  6. Step 6: Final answer
    x = 447,697.80

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Double scale
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Similar ratio
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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.