Home / 690,894.93-1,036,342.41-269,875.56

Finding the Fourth Proportional to 690,894.93, 1,036,342.41 and 269,875.56

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Solution

The fourth proportional to 690,894.93, 1,036,342.41 and 269,875.56 is: 404,813.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    690,894.93 : 1,036,342.41 = 269,875.56 : x
  2. Step 2: Convert to fraction form
    690,894.93/1,036,342.41 = 269,875.56/x
  3. Step 3: Cross multiply
    690,894.93x = 1,036,342.41 × 269,875.56
  4. Step 4: Simplify right side
    690,894.93x = 279,683,488,250.50
  5. Step 5: Solve for x
    x = 279,683,488,250.50/690,894.93
  6. Step 6: Final answer
    x = 404,813.35

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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.