Home / 851,581.08-1,277,371.54-477,633.24

Finding the Fourth Proportional to 851,581.08, 1,277,371.54 and 477,633.24

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Solution

The fourth proportional to 851,581.08, 1,277,371.54 and 477,633.24 is: 716,449.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    851,581.08 : 1,277,371.54 = 477,633.24 : x
  2. Step 2: Convert to fraction form
    851,581.08/1,277,371.54 = 477,633.24/x
  3. Step 3: Cross multiply
    851,581.08x = 1,277,371.54 × 477,633.24
  4. Step 4: Simplify right side
    851,581.08x = 610,115,107,333.99
  5. Step 5: Solve for x
    x = 610,115,107,333.99/851,581.08
  6. Step 6: Final answer
    x = 716,449.82

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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.