Home / 460,942.04-636,141.78-279,699.89

Finding the Fourth Proportional to 460,942.04, 636,141.78 and 279,699.89

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Solution

The fourth proportional to 460,942.04, 636,141.78 and 279,699.89 is: 386,011.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    460,942.04 : 636,141.78 = 279,699.89 : x
  2. Step 2: Convert to fraction form
    460,942.04/636,141.78 = 279,699.89/x
  3. Step 3: Cross multiply
    460,942.04x = 636,141.78 × 279,699.89
  4. Step 4: Simplify right side
    460,942.04x = 177,928,782,709.70
  5. Step 5: Solve for x
    x = 177,928,782,709.70/460,942.04
  6. Step 6: Final answer
    x = 386,011.19

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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.