Home / 769,898.90-1,154,828.92-208,918.82

Finding the Fourth Proportional to 769,898.90, 1,154,828.92 and 208,918.82

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Solution

The fourth proportional to 769,898.90, 1,154,828.92 and 208,918.82 is: 313,372.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    769,898.90 : 1,154,828.92 = 208,918.82 : x
  2. Step 2: Convert to fraction form
    769,898.90/1,154,828.92 = 208,918.82/x
  3. Step 3: Cross multiply
    769,898.90x = 1,154,828.92 × 208,918.82
  4. Step 4: Simplify right side
    769,898.90x = 241,265,495,268.27
  5. Step 5: Solve for x
    x = 241,265,495,268.27/769,898.90
  6. Step 6: Final answer
    x = 313,372.96

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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.