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Finding the Fourth Proportional to 521,944.83, 720,119.16 and 292,470.21

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Solution

The fourth proportional to 521,944.83, 720,119.16 and 292,470.21 is: 403,516.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    521,944.83 : 720,119.16 = 292,470.21 : x
  2. Step 2: Convert to fraction form
    521,944.83/720,119.16 = 292,470.21/x
  3. Step 3: Cross multiply
    521,944.83x = 720,119.16 × 292,470.21
  4. Step 4: Simplify right side
    521,944.83x = 210,613,401,950.22
  5. Step 5: Solve for x
    x = 210,613,401,950.22/521,944.83
  6. Step 6: Final answer
    x = 403,516.60

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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.