Home / 965,724.10-1,449,968.55-545,820.10

Finding the Fourth Proportional to 965,724.10, 1,449,968.55 and 545,820.10

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Solution

The fourth proportional to 965,724.10, 1,449,968.55 and 545,820.10 is: 819,511.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    965,724.10 : 1,449,968.55 = 545,820.10 : x
  2. Step 2: Convert to fraction form
    965,724.10/1,449,968.55 = 545,820.10/x
  3. Step 3: Cross multiply
    965,724.10x = 1,449,968.55 × 545,820.10
  4. Step 4: Simplify right side
    965,724.10x = 791,421,978,957.86
  5. Step 5: Solve for x
    x = 791,421,978,957.86/965,724.10
  6. Step 6: Final answer
    x = 819,511.47

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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.