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Finding the Fourth Proportional to 442,852.40, 663,403.80 and 264,830.60

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Solution

The fourth proportional to 442,852.40, 663,403.80 and 264,830.60 is: 396,722.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,852.40 : 663,403.80 = 264,830.60 : x
  2. Step 2: Convert to fraction form
    442,852.40/663,403.80 = 264,830.60/x
  3. Step 3: Cross multiply
    442,852.40x = 663,403.80 × 264,830.60
  4. Step 4: Simplify right side
    442,852.40x = 175,689,626,396.28
  5. Step 5: Solve for x
    x = 175,689,626,396.28/442,852.40
  6. Step 6: Final answer
    x = 396,722.76

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.