Home / 445,864.30-668,402.82-341,150.74

Finding the Fourth Proportional to 445,864.30, 668,402.82 and 341,150.74

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Solution

The fourth proportional to 445,864.30, 668,402.82 and 341,150.74 is: 511,424.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,864.30 : 668,402.82 = 341,150.74 : x
  2. Step 2: Convert to fraction form
    445,864.30/668,402.82 = 341,150.74/x
  3. Step 3: Cross multiply
    445,864.30x = 668,402.82 × 341,150.74
  4. Step 4: Simplify right side
    445,864.30x = 228,026,116,661.09
  5. Step 5: Solve for x
    x = 228,026,116,661.09/445,864.30
  6. Step 6: Final answer
    x = 511,424.93

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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.