Home / 378,864.05-566,569.64-282,868.42

Finding the Fourth Proportional to 378,864.05, 566,569.64 and 282,868.42

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Solution

The fourth proportional to 378,864.05, 566,569.64 and 282,868.42 is: 423,013.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    378,864.05 : 566,569.64 = 282,868.42 : x
  2. Step 2: Convert to fraction form
    378,864.05/566,569.64 = 282,868.42/x
  3. Step 3: Cross multiply
    378,864.05x = 566,569.64 × 282,868.42
  4. Step 4: Simplify right side
    378,864.05x = 160,264,657,648.70
  5. Step 5: Solve for x
    x = 160,264,657,648.70/378,864.05
  6. Step 6: Final answer
    x = 423,013.63

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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.