Home / 890,788.54-1,336,386.94-291,783.82

Finding the Fourth Proportional to 890,788.54, 1,336,386.94 and 291,783.82

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Solution

The fourth proportional to 890,788.54, 1,336,386.94 and 291,783.82 is: 437,742.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    890,788.54 : 1,336,386.94 = 291,783.82 : x
  2. Step 2: Convert to fraction form
    890,788.54/1,336,386.94 = 291,783.82/x
  3. Step 3: Cross multiply
    890,788.54x = 1,336,386.94 × 291,783.82
  4. Step 4: Simplify right side
    890,788.54x = 389,936,086,351.31
  5. Step 5: Solve for x
    x = 389,936,086,351.31/890,788.54
  6. Step 6: Final answer
    x = 437,742.59

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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.