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Finding the Fourth Proportional to 515,596.28, 773,393.04 and 290,854.69

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Solution

The fourth proportional to 515,596.28, 773,393.04 and 290,854.69 is: 436,281.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    515,596.28 : 773,393.04 = 290,854.69 : x
  2. Step 2: Convert to fraction form
    515,596.28/773,393.04 = 290,854.69/x
  3. Step 3: Cross multiply
    515,596.28x = 773,393.04 × 290,854.69
  4. Step 4: Simplify right side
    515,596.28x = 224,944,992,897.36
  5. Step 5: Solve for x
    x = 224,944,992,897.36/515,596.28
  6. Step 6: Final answer
    x = 436,281.26

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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.