Home / 668,820.30-1,003,230.45-248,009.10

Finding the Fourth Proportional to 668,820.30, 1,003,230.45 and 248,009.10

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Solution

The fourth proportional to 668,820.30, 1,003,230.45 and 248,009.10 is: 372,013.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    668,820.30 : 1,003,230.45 = 248,009.10 : x
  2. Step 2: Convert to fraction form
    668,820.30/1,003,230.45 = 248,009.10/x
  3. Step 3: Cross multiply
    668,820.30x = 1,003,230.45 × 248,009.10
  4. Step 4: Simplify right side
    668,820.30x = 248,810,280,997.10
  5. Step 5: Solve for x
    x = 248,810,280,997.10/668,820.30
  6. Step 6: Final answer
    x = 372,013.65

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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.