Home / 450,688.38-621,906.72-269,364.18

Finding the Fourth Proportional to 450,688.38, 621,906.72 and 269,364.18

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Solution

The fourth proportional to 450,688.38, 621,906.72 and 269,364.18 is: 371,696.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,688.38 : 621,906.72 = 269,364.18 : x
  2. Step 2: Convert to fraction form
    450,688.38/621,906.72 = 269,364.18/x
  3. Step 3: Cross multiply
    450,688.38x = 621,906.72 × 269,364.18
  4. Step 4: Simplify right side
    450,688.38x = 167,519,393,669.29
  5. Step 5: Solve for x
    x = 167,519,393,669.29/450,688.38
  6. Step 6: Final answer
    x = 371,696.72

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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.