Home / 719,891.48-1,080,037.46-315,011.56

Finding the Fourth Proportional to 719,891.48, 1,080,037.46 and 315,011.56

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Solution

The fourth proportional to 719,891.48, 1,080,037.46 and 315,011.56 is: 472,604.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    719,891.48 : 1,080,037.46 = 315,011.56 : x
  2. Step 2: Convert to fraction form
    719,891.48/1,080,037.46 = 315,011.56/x
  3. Step 3: Cross multiply
    719,891.48x = 1,080,037.46 × 315,011.56
  4. Step 4: Simplify right side
    719,891.48x = 340,224,285,133.04
  5. Step 5: Solve for x
    x = 340,224,285,133.04/719,891.48
  6. Step 6: Final answer
    x = 472,604.96

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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.