Home / 872,949.40-1,309,743.95-367,637.58

Finding the Fourth Proportional to 872,949.40, 1,309,743.95 and 367,637.58

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Solution

The fourth proportional to 872,949.40, 1,309,743.95 and 367,637.58 is: 551,591.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    872,949.40 : 1,309,743.95 = 367,637.58 : x
  2. Step 2: Convert to fraction form
    872,949.40/1,309,743.95 = 367,637.58/x
  3. Step 3: Cross multiply
    872,949.40x = 1,309,743.95 × 367,637.58
  4. Step 4: Simplify right side
    872,949.40x = 481,511,094,359.45
  5. Step 5: Solve for x
    x = 481,511,094,359.45/872,949.40
  6. Step 6: Final answer
    x = 551,591.07

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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.