Home / 995,354.76-1,493,289.54-285,434.76

Finding the Fourth Proportional to 995,354.76, 1,493,289.54 and 285,434.76

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Solution

The fourth proportional to 995,354.76, 1,493,289.54 and 285,434.76 is: 428,225.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    995,354.76 : 1,493,289.54 = 285,434.76 : x
  2. Step 2: Convert to fraction form
    995,354.76/1,493,289.54 = 285,434.76/x
  3. Step 3: Cross multiply
    995,354.76x = 1,493,289.54 × 285,434.76
  4. Step 4: Simplify right side
    995,354.76x = 426,236,741,460.41
  5. Step 5: Solve for x
    x = 426,236,741,460.41/995,354.76
  6. Step 6: Final answer
    x = 428,225.95

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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.