Home / 995,298.20-1,492,947.30-545,845.40

Finding the Fourth Proportional to 995,298.20, 1,492,947.30 and 545,845.40

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Solution

The fourth proportional to 995,298.20, 1,492,947.30 and 545,845.40 is: 818,768.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    995,298.20 : 1,492,947.30 = 545,845.40 : x
  2. Step 2: Convert to fraction form
    995,298.20/1,492,947.30 = 545,845.40/x
  3. Step 3: Cross multiply
    995,298.20x = 1,492,947.30 × 545,845.40
  4. Step 4: Simplify right side
    995,298.20x = 814,918,416,147.42
  5. Step 5: Solve for x
    x = 814,918,416,147.42/995,298.20
  6. Step 6: Final answer
    x = 818,768.10

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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.