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Finding the Fourth Proportional to 521,597.28, 719,754.48 and 414,426.72

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Solution

The fourth proportional to 521,597.28, 719,754.48 and 414,426.72 is: 571,869.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    521,597.28 : 719,754.48 = 414,426.72 : x
  2. Step 2: Convert to fraction form
    521,597.28/719,754.48 = 414,426.72/x
  3. Step 3: Cross multiply
    521,597.28x = 719,754.48 × 414,426.72
  4. Step 4: Simplify right side
    521,597.28x = 298,285,488,351.71
  5. Step 5: Solve for x
    x = 298,285,488,351.71/521,597.28
  6. Step 6: Final answer
    x = 571,869.33

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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.