Home / 929,650.74-1,395,065.86-397,175.78

Finding the Fourth Proportional to 929,650.74, 1,395,065.86 and 397,175.78

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Solution

The fourth proportional to 929,650.74, 1,395,065.86 and 397,175.78 is: 596,015.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    929,650.74 : 1,395,065.86 = 397,175.78 : x
  2. Step 2: Convert to fraction form
    929,650.74/1,395,065.86 = 397,175.78/x
  3. Step 3: Cross multiply
    929,650.74x = 1,395,065.86 × 397,175.78
  4. Step 4: Simplify right side
    929,650.74x = 554,086,371,096.87
  5. Step 5: Solve for x
    x = 554,086,371,096.87/929,650.74
  6. Step 6: Final answer
    x = 596,015.63

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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.