Home / 690,875.67-1,036,313.50-269,856.30

Finding the Fourth Proportional to 690,875.67, 1,036,313.50 and 269,856.30

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Solution

The fourth proportional to 690,875.67, 1,036,313.50 and 269,856.30 is: 404,784.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    690,875.67 : 1,036,313.50 = 269,856.30 : x
  2. Step 2: Convert to fraction form
    690,875.67/1,036,313.50 = 269,856.30/x
  3. Step 3: Cross multiply
    690,875.67x = 1,036,313.50 × 269,856.30
  4. Step 4: Simplify right side
    690,875.67x = 279,655,726,750.05
  5. Step 5: Solve for x
    x = 279,655,726,750.05/690,875.67
  6. Step 6: Final answer
    x = 404,784.45

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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.