Home / 695,689.80-1,042,927.20-269,516.40

Finding the Fourth Proportional to 695,689.80, 1,042,927.20 and 269,516.40

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Solution

The fourth proportional to 695,689.80, 1,042,927.20 and 269,516.40 is: 404,039.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    695,689.80 : 1,042,927.20 = 269,516.40 : x
  2. Step 2: Convert to fraction form
    695,689.80/1,042,927.20 = 269,516.40/x
  3. Step 3: Cross multiply
    695,689.80x = 1,042,927.20 × 269,516.40
  4. Step 4: Simplify right side
    695,689.80x = 281,085,984,406.08
  5. Step 5: Solve for x
    x = 281,085,984,406.08/695,689.80
  6. Step 6: Final answer
    x = 404,039.25

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1.5x scale

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.