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Finding the Fourth Proportional to 691,960.96, 954,903.36 and 374,008.96

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Solution

The fourth proportional to 691,960.96, 954,903.36 and 374,008.96 is: 516,130.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    691,960.96 : 954,903.36 = 374,008.96 : x
  2. Step 2: Convert to fraction form
    691,960.96/954,903.36 = 374,008.96/x
  3. Step 3: Cross multiply
    691,960.96x = 954,903.36 × 374,008.96
  4. Step 4: Simplify right side
    691,960.96x = 357,142,412,574.11
  5. Step 5: Solve for x
    x = 357,142,412,574.11/691,960.96
  6. Step 6: Final answer
    x = 516,130.87

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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.