Home / 694,310.40-1,041,465.60-221,043.60

Finding the Fourth Proportional to 694,310.40, 1,041,465.60 and 221,043.60

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Solution

The fourth proportional to 694,310.40, 1,041,465.60 and 221,043.60 is: 331,565.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    694,310.40 : 1,041,465.60 = 221,043.60 : x
  2. Step 2: Convert to fraction form
    694,310.40/1,041,465.60 = 221,043.60/x
  3. Step 3: Cross multiply
    694,310.40x = 1,041,465.60 × 221,043.60
  4. Step 4: Simplify right side
    694,310.40x = 230,209,305,500.16
  5. Step 5: Solve for x
    x = 230,209,305,500.16/694,310.40
  6. Step 6: Final answer
    x = 331,565.40

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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.