Home / 875,504.20-1,208,214.42-493,530.88

Finding the Fourth Proportional to 875,504.20, 1,208,214.42 and 493,530.88

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Solution

The fourth proportional to 875,504.20, 1,208,214.42 and 493,530.88 is: 681,083.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    875,504.20 : 1,208,214.42 = 493,530.88 : x
  2. Step 2: Convert to fraction form
    875,504.20/1,208,214.42 = 493,530.88/x
  3. Step 3: Cross multiply
    875,504.20x = 1,208,214.42 × 493,530.88
  4. Step 4: Simplify right side
    875,504.20x = 596,291,125,931.29
  5. Step 5: Solve for x
    x = 596,291,125,931.29/875,504.20
  6. Step 6: Final answer
    x = 681,083.11

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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.