Home / 680,994.72-1,021,360.32-260,170.56

Finding the Fourth Proportional to 680,994.72, 1,021,360.32 and 260,170.56

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Solution

The fourth proportional to 680,994.72, 1,021,360.32 and 260,170.56 is: 390,205.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    680,994.72 : 1,021,360.32 = 260,170.56 : x
  2. Step 2: Convert to fraction form
    680,994.72/1,021,360.32 = 260,170.56/x
  3. Step 3: Cross multiply
    680,994.72x = 1,021,360.32 × 260,170.56
  4. Step 4: Simplify right side
    680,994.72x = 265,727,886,416.18
  5. Step 5: Solve for x
    x = 265,727,886,416.18/680,994.72
  6. Step 6: Final answer
    x = 390,205.50

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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.