Home / 769,270.08-1,061,376.54-442,566

Finding the Fourth Proportional to 769,270.08, 1,061,376.54 and 442,566

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Solution

The fourth proportional to 769,270.08, 1,061,376.54 and 442,566 is: 610,616.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    769,270.08 : 1,061,376.54 = 442,566 : x
  2. Step 2: Convert to fraction form
    769,270.08/1,061,376.54 = 442,566/x
  3. Step 3: Cross multiply
    769,270.08x = 1,061,376.54 × 442,566
  4. Step 4: Simplify right side
    769,270.08x = 469,729,169,801.64
  5. Step 5: Solve for x
    x = 469,729,169,801.64/769,270.08
  6. Step 6: Final answer
    x = 610,616.72

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.