Home / 875,127.75-1,312,691.63-210,279.75

Finding the Fourth Proportional to 875,127.75, 1,312,691.63 and 210,279.75

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Solution

The fourth proportional to 875,127.75, 1,312,691.63 and 210,279.75 is: 315,419.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    875,127.75 : 1,312,691.63 = 210,279.75 : x
  2. Step 2: Convert to fraction form
    875,127.75/1,312,691.63 = 210,279.75/x
  3. Step 3: Cross multiply
    875,127.75x = 1,312,691.63 × 210,279.75
  4. Step 4: Simplify right side
    875,127.75x = 276,032,466,732.09
  5. Step 5: Solve for x
    x = 276,032,466,732.09/875,127.75
  6. Step 6: Final answer
    x = 315,419.63

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Similar ratio
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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.