Home / 770,991.76-1,155,864.12-322,056.46

Finding the Fourth Proportional to 770,991.76, 1,155,864.12 and 322,056.46

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Solution

The fourth proportional to 770,991.76, 1,155,864.12 and 322,056.46 is: 482,824.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    770,991.76 : 1,155,864.12 = 322,056.46 : x
  2. Step 2: Convert to fraction form
    770,991.76/1,155,864.12 = 322,056.46/x
  3. Step 3: Cross multiply
    770,991.76x = 1,155,864.12 × 322,056.46
  4. Step 4: Simplify right side
    770,991.76x = 372,253,506,728.22
  5. Step 5: Solve for x
    x = 372,253,506,728.22/770,991.76
  6. Step 6: Final answer
    x = 482,824.24

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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.