Home / 690,669.81-1,036,076.73-264,204.81

Finding the Fourth Proportional to 690,669.81, 1,036,076.73 and 264,204.81

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Solution

The fourth proportional to 690,669.81, 1,036,076.73 and 264,204.81 is: 396,334.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    690,669.81 : 1,036,076.73 = 264,204.81 : x
  2. Step 2: Convert to fraction form
    690,669.81/1,036,076.73 = 264,204.81/x
  3. Step 3: Cross multiply
    690,669.81x = 1,036,076.73 × 264,204.81
  4. Step 4: Simplify right side
    690,669.81x = 273,736,455,595.07
  5. Step 5: Solve for x
    x = 273,736,455,595.07/690,669.81
  6. Step 6: Final answer
    x = 396,334.76

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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.