Home / 663,820.30-995,730.45-243,260.20

Finding the Fourth Proportional to 663,820.30, 995,730.45 and 243,260.20

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Solution

The fourth proportional to 663,820.30, 995,730.45 and 243,260.20 is: 364,890.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    663,820.30 : 995,730.45 = 243,260.20 : x
  2. Step 2: Convert to fraction form
    663,820.30/995,730.45 = 243,260.20/x
  3. Step 3: Cross multiply
    663,820.30x = 995,730.45 × 243,260.20
  4. Step 4: Simplify right side
    663,820.30x = 242,221,588,413.09
  5. Step 5: Solve for x
    x = 242,221,588,413.09/663,820.30
  6. Step 6: Final answer
    x = 364,890.30

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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.