Home / 418,974.45-578,083.94-246,899.47

Finding the Fourth Proportional to 418,974.45, 578,083.94 and 246,899.47

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Solution

The fourth proportional to 418,974.45, 578,083.94 and 246,899.47 is: 340,661.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,974.45 : 578,083.94 = 246,899.47 : x
  2. Step 2: Convert to fraction form
    418,974.45/578,083.94 = 246,899.47/x
  3. Step 3: Cross multiply
    418,974.45x = 578,083.94 × 246,899.47
  4. Step 4: Simplify right side
    418,974.45x = 142,728,618,401.51
  5. Step 5: Solve for x
    x = 142,728,618,401.51/418,974.45
  6. Step 6: Final answer
    x = 340,661.87

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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.