Home / 447,669.61-617,787.80-243,721.94

Finding the Fourth Proportional to 447,669.61, 617,787.80 and 243,721.94

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Solution

The fourth proportional to 447,669.61, 617,787.80 and 243,721.94 is: 336,338.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,669.61 : 617,787.80 = 243,721.94 : x
  2. Step 2: Convert to fraction form
    447,669.61/617,787.80 = 243,721.94/x
  3. Step 3: Cross multiply
    447,669.61x = 617,787.80 × 243,721.94
  4. Step 4: Simplify right side
    447,669.61x = 150,568,441,450.19
  5. Step 5: Solve for x
    x = 150,568,441,450.19/447,669.61
  6. Step 6: Final answer
    x = 336,338.31

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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.