Home / 1,382,455-2,073,682.50-331,831

Finding the Fourth Proportional to 1,382,455, 2,073,682.50 and 331,831

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Solution

The fourth proportional to 1,382,455, 2,073,682.50 and 331,831 is: 497,746.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,382,455 : 2,073,682.50 = 331,831 : x
  2. Step 2: Convert to fraction form
    1,382,455/2,073,682.50 = 331,831/x
  3. Step 3: Cross multiply
    1,382,455x = 2,073,682.50 × 331,831
  4. Step 4: Simplify right side
    1,382,455x = 688,112,137,657.50
  5. Step 5: Solve for x
    x = 688,112,137,657.50/1,382,455
  6. Step 6: Final answer
    x = 497,746.50

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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.