Home / 719,891.02-1,080,033.39-315,009.61

Finding the Fourth Proportional to 719,891.02, 1,080,033.39 and 315,009.61

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Solution

The fourth proportional to 719,891.02, 1,080,033.39 and 315,009.61 is: 472,600.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    719,891.02 : 1,080,033.39 = 315,009.61 : x
  2. Step 2: Convert to fraction form
    719,891.02/1,080,033.39 = 315,009.61/x
  3. Step 3: Cross multiply
    719,891.02x = 1,080,033.39 × 315,009.61
  4. Step 4: Simplify right side
    719,891.02x = 340,220,896,970.88
  5. Step 5: Solve for x
    x = 340,220,896,970.88/719,891.02
  6. Step 6: Final answer
    x = 472,600.56

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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.