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Finding the Fourth Proportional to 663,205.60, 994,881.30 and 242,572.60

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Solution

The fourth proportional to 663,205.60, 994,881.30 and 242,572.60 is: 363,885.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    663,205.60 : 994,881.30 = 242,572.60 : x
  2. Step 2: Convert to fraction form
    663,205.60/994,881.30 = 242,572.60/x
  3. Step 3: Cross multiply
    663,205.60x = 994,881.30 × 242,572.60
  4. Step 4: Simplify right side
    663,205.60x = 241,330,943,632.38
  5. Step 5: Solve for x
    x = 241,330,943,632.38/663,205.60
  6. Step 6: Final answer
    x = 363,885.56

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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.