Home / 905,467.92-1,357,357.72-306,009.92

Finding the Fourth Proportional to 905,467.92, 1,357,357.72 and 306,009.92

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Solution

The fourth proportional to 905,467.92, 1,357,357.72 and 306,009.92 is: 458,729.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    905,467.92 : 1,357,357.72 = 306,009.92 : x
  2. Step 2: Convert to fraction form
    905,467.92/1,357,357.72 = 306,009.92/x
  3. Step 3: Cross multiply
    905,467.92x = 1,357,357.72 × 306,009.92
  4. Step 4: Simplify right side
    905,467.92x = 415,364,927,308.58
  5. Step 5: Solve for x
    x = 415,364,927,308.58/905,467.92
  6. Step 6: Final answer
    x = 458,729.59

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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.