Home / 445,848.06-668,378.42-341,134.50

Finding the Fourth Proportional to 445,848.06, 668,378.42 and 341,134.50

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Solution

The fourth proportional to 445,848.06, 668,378.42 and 341,134.50 is: 511,400.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,848.06 : 668,378.42 = 341,134.50 : x
  2. Step 2: Convert to fraction form
    445,848.06/668,378.42 = 341,134.50/x
  3. Step 3: Cross multiply
    445,848.06x = 668,378.42 × 341,134.50
  4. Step 4: Simplify right side
    445,848.06x = 228,006,938,117.49
  5. Step 5: Solve for x
    x = 228,006,938,117.49/445,848.06
  6. Step 6: Final answer
    x = 511,400.54

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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.