Home / 775,476.28-1,163,214.82-243,038.78

Finding the Fourth Proportional to 775,476.28, 1,163,214.82 and 243,038.78

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Solution

The fourth proportional to 775,476.28, 1,163,214.82 and 243,038.78 is: 364,558.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    775,476.28 : 1,163,214.82 = 243,038.78 : x
  2. Step 2: Convert to fraction form
    775,476.28/1,163,214.82 = 243,038.78/x
  3. Step 3: Cross multiply
    775,476.28x = 1,163,214.82 × 243,038.78
  4. Step 4: Simplify right side
    775,476.28x = 282,706,304,914.65
  5. Step 5: Solve for x
    x = 282,706,304,914.65/775,476.28
  6. Step 6: Final answer
    x = 364,558.29

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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.