Home / 500,072.04-690,101.61-270,629.36

Finding the Fourth Proportional to 500,072.04, 690,101.61 and 270,629.36

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Solution

The fourth proportional to 500,072.04, 690,101.61 and 270,629.36 is: 373,469.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    500,072.04 : 690,101.61 = 270,629.36 : x
  2. Step 2: Convert to fraction form
    500,072.04/690,101.61 = 270,629.36/x
  3. Step 3: Cross multiply
    500,072.04x = 690,101.61 × 270,629.36
  4. Step 4: Simplify right side
    500,072.04x = 186,761,753,598.76
  5. Step 5: Solve for x
    x = 186,761,753,598.76/500,072.04
  6. Step 6: Final answer
    x = 373,469.70

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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.