Home / 505,443.07-696,942.79-413,274.79

Finding the Fourth Proportional to 505,443.07, 696,942.79 and 413,274.79

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Solution

The fourth proportional to 505,443.07, 696,942.79 and 413,274.79 is: 569,854.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    505,443.07 : 696,942.79 = 413,274.79 : x
  2. Step 2: Convert to fraction form
    505,443.07/696,942.79 = 413,274.79/x
  3. Step 3: Cross multiply
    505,443.07x = 696,942.79 × 413,274.79
  4. Step 4: Simplify right side
    505,443.07x = 288,028,885,179.26
  5. Step 5: Solve for x
    x = 288,028,885,179.26/505,443.07
  6. Step 6: Final answer
    x = 569,854.26

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.