Home / 689,483.22-1,033,511.52-262,904.28

Finding the Fourth Proportional to 689,483.22, 1,033,511.52 and 262,904.28

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Solution

The fourth proportional to 689,483.22, 1,033,511.52 and 262,904.28 is: 394,084.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    689,483.22 : 1,033,511.52 = 262,904.28 : x
  2. Step 2: Convert to fraction form
    689,483.22/1,033,511.52 = 262,904.28/x
  3. Step 3: Cross multiply
    689,483.22x = 1,033,511.52 × 262,904.28
  4. Step 4: Simplify right side
    689,483.22x = 271,714,602,037.31
  5. Step 5: Solve for x
    x = 271,714,602,037.31/689,483.22
  6. Step 6: Final answer
    x = 394,084.43

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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.