Home / 663,631.20-995,331.60-242,690.40

Finding the Fourth Proportional to 663,631.20, 995,331.60 and 242,690.40

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Solution

The fourth proportional to 663,631.20, 995,331.60 and 242,690.40 is: 363,993.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    663,631.20 : 995,331.60 = 242,690.40 : x
  2. Step 2: Convert to fraction form
    663,631.20/995,331.60 = 242,690.40/x
  3. Step 3: Cross multiply
    663,631.20x = 995,331.60 × 242,690.40
  4. Step 4: Simplify right side
    663,631.20x = 241,557,424,136.64
  5. Step 5: Solve for x
    x = 241,557,424,136.64/663,631.20
  6. Step 6: Final answer
    x = 363,993.47

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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.