Home / 925,917.31-1,388,732.70-357,215.47

Finding the Fourth Proportional to 925,917.31, 1,388,732.70 and 357,215.47

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Solution

The fourth proportional to 925,917.31, 1,388,732.70 and 357,215.47 is: 535,767.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    925,917.31 : 1,388,732.70 = 357,215.47 : x
  2. Step 2: Convert to fraction form
    925,917.31/1,388,732.70 = 357,215.47/x
  3. Step 3: Cross multiply
    925,917.31x = 1,388,732.70 × 357,215.47
  4. Step 4: Simplify right side
    925,917.31x = 496,076,799,993.26
  5. Step 5: Solve for x
    x = 496,076,799,993.26/925,917.31
  6. Step 6: Final answer
    x = 535,767.93

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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.