Home / 810,364.69-1,215,594.60-304,930.05

Finding the Fourth Proportional to 810,364.69, 1,215,594.60 and 304,930.05

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Solution

The fourth proportional to 810,364.69, 1,215,594.60 and 304,930.05 is: 457,412.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    810,364.69 : 1,215,594.60 = 304,930.05 : x
  2. Step 2: Convert to fraction form
    810,364.69/1,215,594.60 = 304,930.05/x
  3. Step 3: Cross multiply
    810,364.69x = 1,215,594.60 × 304,930.05
  4. Step 4: Simplify right side
    810,364.69x = 370,671,322,157.73
  5. Step 5: Solve for x
    x = 370,671,322,157.73/810,364.69
  6. Step 6: Final answer
    x = 457,412.97

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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.