Home / 400,416.72-552,558.48-219,124.08

Finding the Fourth Proportional to 400,416.72, 552,558.48 and 219,124.08

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Solution

The fourth proportional to 400,416.72, 552,558.48 and 219,124.08 is: 302,382.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,416.72 : 552,558.48 = 219,124.08 : x
  2. Step 2: Convert to fraction form
    400,416.72/552,558.48 = 219,124.08/x
  3. Step 3: Cross multiply
    400,416.72x = 552,558.48 × 219,124.08
  4. Step 4: Simplify right side
    400,416.72x = 121,078,868,576.20
  5. Step 5: Solve for x
    x = 121,078,868,576.20/400,416.72
  6. Step 6: Final answer
    x = 302,382.15

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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.