Home / 929,993.50-1,395,003.21-265,145.50

Finding the Fourth Proportional to 929,993.50, 1,395,003.21 and 265,145.50

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Solution

The fourth proportional to 929,993.50, 1,395,003.21 and 265,145.50 is: 397,721.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    929,993.50 : 1,395,003.21 = 265,145.50 : x
  2. Step 2: Convert to fraction form
    929,993.50/1,395,003.21 = 265,145.50/x
  3. Step 3: Cross multiply
    929,993.50x = 1,395,003.21 × 265,145.50
  4. Step 4: Simplify right side
    929,993.50x = 369,878,823,617.06
  5. Step 5: Solve for x
    x = 369,878,823,617.06/929,993.50
  6. Step 6: Final answer
    x = 397,721.94

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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.