Home / 628,511.04-867,333.12-342,037.44

Finding the Fourth Proportional to 628,511.04, 867,333.12 and 342,037.44

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Solution

The fourth proportional to 628,511.04, 867,333.12 and 342,037.44 is: 472,005.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    628,511.04 : 867,333.12 = 342,037.44 : x
  2. Step 2: Convert to fraction form
    628,511.04/867,333.12 = 342,037.44/x
  3. Step 3: Cross multiply
    628,511.04x = 867,333.12 × 342,037.44
  4. Step 4: Simplify right side
    628,511.04x = 296,660,399,992.01
  5. Step 5: Solve for x
    x = 296,660,399,992.01/628,511.04
  6. Step 6: Final answer
    x = 472,005.07

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.