Home / 690,894.81-1,036,342.21-269,875.44

Finding the Fourth Proportional to 690,894.81, 1,036,342.21 and 269,875.44

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Solution

The fourth proportional to 690,894.81, 1,036,342.21 and 269,875.44 is: 404,813.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    690,894.81 : 1,036,342.21 = 269,875.44 : x
  2. Step 2: Convert to fraction form
    690,894.81/1,036,342.21 = 269,875.44/x
  3. Step 3: Cross multiply
    690,894.81x = 1,036,342.21 × 269,875.44
  4. Step 4: Simplify right side
    690,894.81x = 279,683,309,914.32
  5. Step 5: Solve for x
    x = 279,683,309,914.32/690,894.81
  6. Step 6: Final answer
    x = 404,813.16

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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.