Home / 524,905.97-787,580.39-312,080.46

Finding the Fourth Proportional to 524,905.97, 787,580.39 and 312,080.46

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Solution

The fourth proportional to 524,905.97, 787,580.39 and 312,080.46 is: 468,252.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    524,905.97 : 787,580.39 = 312,080.46 : x
  2. Step 2: Convert to fraction form
    524,905.97/787,580.39 = 312,080.46/x
  3. Step 3: Cross multiply
    524,905.97x = 787,580.39 × 312,080.46
  4. Step 4: Simplify right side
    524,905.97x = 245,788,448,454.76
  5. Step 5: Solve for x
    x = 245,788,448,454.76/524,905.97
  6. Step 6: Final answer
    x = 468,252.34

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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.