Home / 805,774.32-1,208,799.18-332,200.80

Finding the Fourth Proportional to 805,774.32, 1,208,799.18 and 332,200.80

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Solution

The fourth proportional to 805,774.32, 1,208,799.18 and 332,200.80 is: 498,357.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    805,774.32 : 1,208,799.18 = 332,200.80 : x
  2. Step 2: Convert to fraction form
    805,774.32/1,208,799.18 = 332,200.80/x
  3. Step 3: Cross multiply
    805,774.32x = 1,208,799.18 × 332,200.80
  4. Step 4: Simplify right side
    805,774.32x = 401,564,054,635.34
  5. Step 5: Solve for x
    x = 401,564,054,635.34/805,774.32
  6. Step 6: Final answer
    x = 498,357.97

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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.