Home / 959,528.94-1,439,042.22-285,428.76

Finding the Fourth Proportional to 959,528.94, 1,439,042.22 and 285,428.76

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Solution

The fourth proportional to 959,528.94, 1,439,042.22 and 285,428.76 is: 428,068.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    959,528.94 : 1,439,042.22 = 285,428.76 : x
  2. Step 2: Convert to fraction form
    959,528.94/1,439,042.22 = 285,428.76/x
  3. Step 3: Cross multiply
    959,528.94x = 1,439,042.22 × 285,428.76
  4. Step 4: Simplify right side
    959,528.94x = 410,744,036,442.25
  5. Step 5: Solve for x
    x = 410,744,036,442.25/959,528.94
  6. Step 6: Final answer
    x = 428,068.42

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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.