Home / 808,904.10-1,213,793.55-359,694.30

Finding the Fourth Proportional to 808,904.10, 1,213,793.55 and 359,694.30

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Solution

The fourth proportional to 808,904.10, 1,213,793.55 and 359,694.30 is: 539,735.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,904.10 : 1,213,793.55 = 359,694.30 : x
  2. Step 2: Convert to fraction form
    808,904.10/1,213,793.55 = 359,694.30/x
  3. Step 3: Cross multiply
    808,904.10x = 1,213,793.55 × 359,694.30
  4. Step 4: Simplify right side
    808,904.10x = 436,594,621,311.77
  5. Step 5: Solve for x
    x = 436,594,621,311.77/808,904.10
  6. Step 6: Final answer
    x = 539,735.95

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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.