Home / 400,512.06-552,706.83-219,224.93

Finding the Fourth Proportional to 400,512.06, 552,706.83 and 219,224.93

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Solution

The fourth proportional to 400,512.06, 552,706.83 and 219,224.93 is: 302,530.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,512.06 : 552,706.83 = 219,224.93 : x
  2. Step 2: Convert to fraction form
    400,512.06/552,706.83 = 219,224.93/x
  3. Step 3: Cross multiply
    400,512.06x = 552,706.83 × 219,224.93
  4. Step 4: Simplify right side
    400,512.06x = 121,167,113,353.74
  5. Step 5: Solve for x
    x = 121,167,113,353.74/400,512.06
  6. Step 6: Final answer
    x = 302,530.50

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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.