Home / 743,830.92-1,115,092.32-294,867.15

Finding the Fourth Proportional to 743,830.92, 1,115,092.32 and 294,867.15

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Solution

The fourth proportional to 743,830.92, 1,115,092.32 and 294,867.15 is: 442,041.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    743,830.92 : 1,115,092.32 = 294,867.15 : x
  2. Step 2: Convert to fraction form
    743,830.92/1,115,092.32 = 294,867.15/x
  3. Step 3: Cross multiply
    743,830.92x = 1,115,092.32 × 294,867.15
  4. Step 4: Simplify right side
    743,830.92x = 328,804,094,385.29
  5. Step 5: Solve for x
    x = 328,804,094,385.29/743,830.92
  6. Step 6: Final answer
    x = 442,041.44

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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.