Home / 875,503.20-1,208,213.04-493,529.88

Finding the Fourth Proportional to 875,503.20, 1,208,213.04 and 493,529.88

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Solution

The fourth proportional to 875,503.20, 1,208,213.04 and 493,529.88 is: 681,081.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    875,503.20 : 1,208,213.04 = 493,529.88 : x
  2. Step 2: Convert to fraction form
    875,503.20/1,208,213.04 = 493,529.88/x
  3. Step 3: Cross multiply
    875,503.20x = 1,208,213.04 × 493,529.88
  4. Step 4: Simplify right side
    875,503.20x = 596,289,236,645.64
  5. Step 5: Solve for x
    x = 596,289,236,645.64/875,503.20
  6. Step 6: Final answer
    x = 681,081.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.