Home / 851,013.77-1,276,709.90-371,319.32

Finding the Fourth Proportional to 851,013.77, 1,276,709.90 and 371,319.32

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Solution

The fourth proportional to 851,013.77, 1,276,709.90 and 371,319.32 is: 557,061.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    851,013.77 : 1,276,709.90 = 371,319.32 : x
  2. Step 2: Convert to fraction form
    851,013.77/1,276,709.90 = 371,319.32/x
  3. Step 3: Cross multiply
    851,013.77x = 1,276,709.90 × 371,319.32
  4. Step 4: Simplify right side
    851,013.77x = 474,067,043,665.12
  5. Step 5: Solve for x
    x = 474,067,043,665.12/851,013.77
  6. Step 6: Final answer
    x = 557,061.55

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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.