Home / 770,970.68-1,155,832.70-322,035.48

Finding the Fourth Proportional to 770,970.68, 1,155,832.70 and 322,035.48

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Solution

The fourth proportional to 770,970.68, 1,155,832.70 and 322,035.48 is: 482,792.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    770,970.68 : 1,155,832.70 = 322,035.48 : x
  2. Step 2: Convert to fraction form
    770,970.68/1,155,832.70 = 322,035.48/x
  3. Step 3: Cross multiply
    770,970.68x = 1,155,832.70 × 322,035.48
  4. Step 4: Simplify right side
    770,970.68x = 372,219,138,344.20
  5. Step 5: Solve for x
    x = 372,219,138,344.20/770,970.68
  6. Step 6: Final answer
    x = 482,792.86

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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.