Home / 293,780.61-439,987.44-285,699.33

Finding the Fourth Proportional to 293,780.61, 439,987.44 and 285,699.33

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Solution

The fourth proportional to 293,780.61, 439,987.44 and 285,699.33 is: 427,884.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,780.61 : 439,987.44 = 285,699.33 : x
  2. Step 2: Convert to fraction form
    293,780.61/439,987.44 = 285,699.33/x
  3. Step 3: Cross multiply
    293,780.61x = 439,987.44 × 285,699.33
  4. Step 4: Simplify right side
    293,780.61x = 125,704,116,816.42
  5. Step 5: Solve for x
    x = 125,704,116,816.42/293,780.61
  6. Step 6: Final answer
    x = 427,884.32

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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.