Home / 774,754.02-1,162,481.58-395,478.90

Finding the Fourth Proportional to 774,754.02, 1,162,481.58 and 395,478.90

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Solution

The fourth proportional to 774,754.02, 1,162,481.58 and 395,478.90 is: 593,397.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    774,754.02 : 1,162,481.58 = 395,478.90 : x
  2. Step 2: Convert to fraction form
    774,754.02/1,162,481.58 = 395,478.90/x
  3. Step 3: Cross multiply
    774,754.02x = 1,162,481.58 × 395,478.90
  4. Step 4: Simplify right side
    774,754.02x = 459,736,936,528.66
  5. Step 5: Solve for x
    x = 459,736,936,528.66/774,754.02
  6. Step 6: Final answer
    x = 593,397.29

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1.5x scale

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.