Home / 875,127.25-1,312,690.88-210,279.25

Finding the Fourth Proportional to 875,127.25, 1,312,690.88 and 210,279.25

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Solution

The fourth proportional to 875,127.25, 1,312,690.88 and 210,279.25 is: 315,418.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    875,127.25 : 1,312,690.88 = 210,279.25 : x
  2. Step 2: Convert to fraction form
    875,127.25/1,312,690.88 = 210,279.25/x
  3. Step 3: Cross multiply
    875,127.25x = 1,312,690.88 × 210,279.25
  4. Step 4: Simplify right side
    875,127.25x = 276,031,653,728.24
  5. Step 5: Solve for x
    x = 276,031,653,728.24/875,127.25
  6. Step 6: Final answer
    x = 315,418.88

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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.