Home / 887,328.40-1,330,992.60-296,352.40

Finding the Fourth Proportional to 887,328.40, 1,330,992.60 and 296,352.40

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Solution

The fourth proportional to 887,328.40, 1,330,992.60 and 296,352.40 is: 444,528.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    887,328.40 : 1,330,992.60 = 296,352.40 : x
  2. Step 2: Convert to fraction form
    887,328.40/1,330,992.60 = 296,352.40/x
  3. Step 3: Cross multiply
    887,328.40x = 1,330,992.60 × 296,352.40
  4. Step 4: Simplify right side
    887,328.40x = 394,442,851,392.24
  5. Step 5: Solve for x
    x = 394,442,851,392.24/887,328.40
  6. Step 6: Final answer
    x = 444,528.60

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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.