Home / 671,721.15-1,007,394.57-222,477.20

Finding the Fourth Proportional to 671,721.15, 1,007,394.57 and 222,477.20

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Solution

The fourth proportional to 671,721.15, 1,007,394.57 and 222,477.20 is: 333,653.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    671,721.15 : 1,007,394.57 = 222,477.20 : x
  2. Step 2: Convert to fraction form
    671,721.15/1,007,394.57 = 222,477.20/x
  3. Step 3: Cross multiply
    671,721.15x = 1,007,394.57 × 222,477.20
  4. Step 4: Simplify right side
    671,721.15x = 224,122,323,228.80
  5. Step 5: Solve for x
    x = 224,122,323,228.80/671,721.15
  6. Step 6: Final answer
    x = 333,653.81

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1.5x scale

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.