Home / 875,503.66-1,208,213.52-493,530.45

Finding the Fourth Proportional to 875,503.66, 1,208,213.52 and 493,530.45

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Solution

The fourth proportional to 875,503.66, 1,208,213.52 and 493,530.45 is: 681,082.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    875,503.66 : 1,208,213.52 = 493,530.45 : x
  2. Step 2: Convert to fraction form
    875,503.66/1,208,213.52 = 493,530.45/x
  3. Step 3: Cross multiply
    875,503.66x = 1,208,213.52 × 493,530.45
  4. Step 4: Simplify right side
    875,503.66x = 596,290,162,221.68
  5. Step 5: Solve for x
    x = 596,290,162,221.68/875,503.66
  6. Step 6: Final answer
    x = 681,082.43

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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.