Home / 842,455.50-1,263,904.83-302,766.30

Finding the Fourth Proportional to 842,455.50, 1,263,904.83 and 302,766.30

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Solution

The fourth proportional to 842,455.50, 1,263,904.83 and 302,766.30 is: 454,229.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    842,455.50 : 1,263,904.83 = 302,766.30 : x
  2. Step 2: Convert to fraction form
    842,455.50/1,263,904.83 = 302,766.30/x
  3. Step 3: Cross multiply
    842,455.50x = 1,263,904.83 × 302,766.30
  4. Step 4: Simplify right side
    842,455.50x = 382,667,781,097.87
  5. Step 5: Solve for x
    x = 382,667,781,097.87/842,455.50
  6. Step 6: Final answer
    x = 454,229.08

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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.