Home / 551,528.49-826,872.30-285,119.07

Finding the Fourth Proportional to 551,528.49, 826,872.30 and 285,119.07

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Solution

The fourth proportional to 551,528.49, 826,872.30 and 285,119.07 is: 427,461.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,528.49 : 826,872.30 = 285,119.07 : x
  2. Step 2: Convert to fraction form
    551,528.49/826,872.30 = 285,119.07/x
  3. Step 3: Cross multiply
    551,528.49x = 826,872.30 × 285,119.07
  4. Step 4: Simplify right side
    551,528.49x = 235,757,061,184.76
  5. Step 5: Solve for x
    x = 235,757,061,184.76/551,528.49
  6. Step 6: Final answer
    x = 427,461.26

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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.