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Finding the Fourth Proportional to 663,208.60, 994,885.80 and 242,575.60

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Solution

The fourth proportional to 663,208.60, 994,885.80 and 242,575.60 is: 363,890.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    663,208.60 : 994,885.80 = 242,575.60 : x
  2. Step 2: Convert to fraction form
    663,208.60/994,885.80 = 242,575.60/x
  3. Step 3: Cross multiply
    663,208.60x = 994,885.80 × 242,575.60
  4. Step 4: Simplify right side
    663,208.60x = 241,335,019,866.48
  5. Step 5: Solve for x
    x = 241,335,019,866.48/663,208.60
  6. Step 6: Final answer
    x = 363,890.06

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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.