Home / 695,688.80-1,042,925.70-269,515.40

Finding the Fourth Proportional to 695,688.80, 1,042,925.70 and 269,515.40

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Solution

The fourth proportional to 695,688.80, 1,042,925.70 and 269,515.40 is: 404,037.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    695,688.80 : 1,042,925.70 = 269,515.40 : x
  2. Step 2: Convert to fraction form
    695,688.80/1,042,925.70 = 269,515.40/x
  3. Step 3: Cross multiply
    695,688.80x = 1,042,925.70 × 269,515.40
  4. Step 4: Simplify right side
    695,688.80x = 281,084,537,205.78
  5. Step 5: Solve for x
    x = 281,084,537,205.78/695,688.80
  6. Step 6: Final answer
    x = 404,037.75

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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.