Home / 474,700.69-655,029.03-378,150.43

Finding the Fourth Proportional to 474,700.69, 655,029.03 and 378,150.43

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Solution

The fourth proportional to 474,700.69, 655,029.03 and 378,150.43 is: 521,801.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    474,700.69 : 655,029.03 = 378,150.43 : x
  2. Step 2: Convert to fraction form
    474,700.69/655,029.03 = 378,150.43/x
  3. Step 3: Cross multiply
    474,700.69x = 655,029.03 × 378,150.43
  4. Step 4: Simplify right side
    474,700.69x = 247,699,509,356.98
  5. Step 5: Solve for x
    x = 247,699,509,356.98/474,700.69
  6. Step 6: Final answer
    x = 521,801.45

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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.