Home / 521,827.23-720,112.26-292,383.60

Finding the Fourth Proportional to 521,827.23, 720,112.26 and 292,383.60

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Solution

The fourth proportional to 521,827.23, 720,112.26 and 292,383.60 is: 403,484.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    521,827.23 : 720,112.26 = 292,383.60 : x
  2. Step 2: Convert to fraction form
    521,827.23/720,112.26 = 292,383.60/x
  3. Step 3: Cross multiply
    521,827.23x = 720,112.26 × 292,383.60
  4. Step 4: Simplify right side
    521,827.23x = 210,549,014,982.94
  5. Step 5: Solve for x
    x = 210,549,014,982.94/521,827.23
  6. Step 6: Final answer
    x = 403,484.15

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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.