Home / 450,518.80-621,654.40-269,192.44

Finding the Fourth Proportional to 450,518.80, 621,654.40 and 269,192.44

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Solution

The fourth proportional to 450,518.80, 621,654.40 and 269,192.44 is: 371,448.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,518.80 : 621,654.40 = 269,192.44 : x
  2. Step 2: Convert to fraction form
    450,518.80/621,654.40 = 269,192.44/x
  3. Step 3: Cross multiply
    450,518.80x = 621,654.40 × 269,192.44
  4. Step 4: Simplify right side
    450,518.80x = 167,344,664,772.74
  5. Step 5: Solve for x
    x = 167,344,664,772.74/450,518.80
  6. Step 6: Final answer
    x = 371,448.79

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1.5x scale

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.