Home / 851,560.83-1,277,587.79-252,536.40

Finding the Fourth Proportional to 851,560.83, 1,277,587.79 and 252,536.40

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Solution

The fourth proportional to 851,560.83, 1,277,587.79 and 252,536.40 is: 378,877.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    851,560.83 : 1,277,587.79 = 252,536.40 : x
  2. Step 2: Convert to fraction form
    851,560.83/1,277,587.79 = 252,536.40/x
  3. Step 3: Cross multiply
    851,560.83x = 1,277,587.79 × 252,536.40
  4. Step 4: Simplify right side
    851,560.83x = 322,637,421,801.90
  5. Step 5: Solve for x
    x = 322,637,421,801.90/851,560.83
  6. Step 6: Final answer
    x = 378,877.72

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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.