Home / 808,292.63-1,212,644.88-239,694.50

Finding the Fourth Proportional to 808,292.63, 1,212,644.88 and 239,694.50

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Solution

The fourth proportional to 808,292.63, 1,212,644.88 and 239,694.50 is: 359,602.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,292.63 : 1,212,644.88 = 239,694.50 : x
  2. Step 2: Convert to fraction form
    808,292.63/1,212,644.88 = 239,694.50/x
  3. Step 3: Cross multiply
    808,292.63x = 1,212,644.88 × 239,694.50
  4. Step 4: Simplify right side
    808,292.63x = 290,664,302,125.94
  5. Step 5: Solve for x
    x = 290,664,302,125.94/808,292.63
  6. Step 6: Final answer
    x = 359,602.81

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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.