Home / 875,121.94-1,312,682.92-210,273.94

Finding the Fourth Proportional to 875,121.94, 1,312,682.92 and 210,273.94

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Solution

The fourth proportional to 875,121.94, 1,312,682.92 and 210,273.94 is: 315,410.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    875,121.94 : 1,312,682.92 = 210,273.94 : x
  2. Step 2: Convert to fraction form
    875,121.94/1,312,682.92 = 210,273.94/x
  3. Step 3: Cross multiply
    875,121.94x = 1,312,682.92 × 210,273.94
  4. Step 4: Simplify right side
    875,121.94x = 276,023,005,751.71
  5. Step 5: Solve for x
    x = 276,023,005,751.71/875,121.94
  6. Step 6: Final answer
    x = 315,410.91

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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.