Home / 851,021.52-1,276,721.52-371,327.05

Finding the Fourth Proportional to 851,021.52, 1,276,721.52 and 371,327.05

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Solution

The fourth proportional to 851,021.52, 1,276,721.52 and 371,327.05 is: 557,073.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    851,021.52 : 1,276,721.52 = 371,327.05 : x
  2. Step 2: Convert to fraction form
    851,021.52/1,276,721.52 = 371,327.05/x
  3. Step 3: Cross multiply
    851,021.52x = 1,276,721.52 × 371,327.05
  4. Step 4: Simplify right side
    851,021.52x = 474,081,235,693.12
  5. Step 5: Solve for x
    x = 474,081,235,693.12/851,021.52
  6. Step 6: Final answer
    x = 557,073.15

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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.