Home / 450,708.12-621,976.26-269,411.34

Finding the Fourth Proportional to 450,708.12, 621,976.26 and 269,411.34

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Solution

The fourth proportional to 450,708.12, 621,976.26 and 269,411.34 is: 371,787.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,708.12 : 621,976.26 = 269,411.34 : x
  2. Step 2: Convert to fraction form
    450,708.12/621,976.26 = 269,411.34/x
  3. Step 3: Cross multiply
    450,708.12x = 621,976.26 × 269,411.34
  4. Step 4: Simplify right side
    450,708.12x = 167,567,457,654.79
  5. Step 5: Solve for x
    x = 167,567,457,654.79/450,708.12
  6. Step 6: Final answer
    x = 371,787.08

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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.