Home / 903,212.75-1,354,819.12-304,123.74

Finding the Fourth Proportional to 903,212.75, 1,354,819.12 and 304,123.74

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Solution

The fourth proportional to 903,212.75, 1,354,819.12 and 304,123.74 is: 456,185.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    903,212.75 : 1,354,819.12 = 304,123.74 : x
  2. Step 2: Convert to fraction form
    903,212.75/1,354,819.12 = 304,123.74/x
  3. Step 3: Cross multiply
    903,212.75x = 1,354,819.12 × 304,123.74
  4. Step 4: Simplify right side
    903,212.75x = 412,032,656,277.29
  5. Step 5: Solve for x
    x = 412,032,656,277.29/903,212.75
  6. Step 6: Final answer
    x = 456,185.61

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Double scale
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Similar ratio
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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.