Home / 930,347.20-1,394,634.88-298,818.24

Finding the Fourth Proportional to 930,347.20, 1,394,634.88 and 298,818.24

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Solution

The fourth proportional to 930,347.20, 1,394,634.88 and 298,818.24 is: 447,942.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    930,347.20 : 1,394,634.88 = 298,818.24 : x
  2. Step 2: Convert to fraction form
    930,347.20/1,394,634.88 = 298,818.24/x
  3. Step 3: Cross multiply
    930,347.20x = 1,394,634.88 × 298,818.24
  4. Step 4: Simplify right side
    930,347.20x = 416,742,340,284.21
  5. Step 5: Solve for x
    x = 416,742,340,284.21/930,347.20
  6. Step 6: Final answer
    x = 447,942.81

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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.