Home / 591,255.07-815,931.88-319,322.96

Finding the Fourth Proportional to 591,255.07, 815,931.88 and 319,322.96

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Solution

The fourth proportional to 591,255.07, 815,931.88 and 319,322.96 is: 440,665.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    591,255.07 : 815,931.88 = 319,322.96 : x
  2. Step 2: Convert to fraction form
    591,255.07/815,931.88 = 319,322.96/x
  3. Step 3: Cross multiply
    591,255.07x = 815,931.88 × 319,322.96
  4. Step 4: Simplify right side
    591,255.07x = 260,545,783,057.93
  5. Step 5: Solve for x
    x = 260,545,783,057.93/591,255.07
  6. Step 6: Final answer
    x = 440,665.62

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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.