Home / 418,087.78-576,962.56-246,012.30

Finding the Fourth Proportional to 418,087.78, 576,962.56 and 246,012.30

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Solution

The fourth proportional to 418,087.78, 576,962.56 and 246,012.30 is: 339,497.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,087.78 : 576,962.56 = 246,012.30 : x
  2. Step 2: Convert to fraction form
    418,087.78/576,962.56 = 246,012.30/x
  3. Step 3: Cross multiply
    418,087.78x = 576,962.56 × 246,012.30
  4. Step 4: Simplify right side
    418,087.78x = 141,939,886,399.49
  5. Step 5: Solve for x
    x = 141,939,886,399.49/418,087.78
  6. Step 6: Final answer
    x = 339,497.81

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1.5x scale

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.