Home / 995,280.40-1,492,920.60-330,432.40

Finding the Fourth Proportional to 995,280.40, 1,492,920.60 and 330,432.40

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Solution

The fourth proportional to 995,280.40, 1,492,920.60 and 330,432.40 is: 495,648.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    995,280.40 : 1,492,920.60 = 330,432.40 : x
  2. Step 2: Convert to fraction form
    995,280.40/1,492,920.60 = 330,432.40/x
  3. Step 3: Cross multiply
    995,280.40x = 1,492,920.60 × 330,432.40
  4. Step 4: Simplify right side
    995,280.40x = 493,309,336,867.44
  5. Step 5: Solve for x
    x = 493,309,336,867.44/995,280.40
  6. Step 6: Final answer
    x = 495,648.60

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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.