Home / 808,708.83-1,212,855.49-239,955.39

Finding the Fourth Proportional to 808,708.83, 1,212,855.49 and 239,955.39

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Solution

The fourth proportional to 808,708.83, 1,212,855.49 and 239,955.39 is: 359,871.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,708.83 : 1,212,855.49 = 239,955.39 : x
  2. Step 2: Convert to fraction form
    808,708.83/1,212,855.49 = 239,955.39/x
  3. Step 3: Cross multiply
    808,708.83x = 1,212,855.49 × 239,955.39
  4. Step 4: Simplify right side
    808,708.83x = 291,031,212,116.59
  5. Step 5: Solve for x
    x = 291,031,212,116.59/808,708.83
  6. Step 6: Final answer
    x = 359,871.44

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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.