Home / 931,960.52-1,397,709.48-399,421.16

Finding the Fourth Proportional to 931,960.52, 1,397,709.48 and 399,421.16

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Solution

The fourth proportional to 931,960.52, 1,397,709.48 and 399,421.16 is: 599,032.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    931,960.52 : 1,397,709.48 = 399,421.16 : x
  2. Step 2: Convert to fraction form
    931,960.52/1,397,709.48 = 399,421.16/x
  3. Step 3: Cross multiply
    931,960.52x = 1,397,709.48 × 399,421.16
  4. Step 4: Simplify right side
    931,960.52x = 558,274,741,844.60
  5. Step 5: Solve for x
    x = 558,274,741,844.60/931,960.52
  6. Step 6: Final answer
    x = 599,032.61

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.