Home / 875,144.55-1,312,716.69-210,296.55

Finding the Fourth Proportional to 875,144.55, 1,312,716.69 and 210,296.55

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Solution

The fourth proportional to 875,144.55, 1,312,716.69 and 210,296.55 is: 315,444.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    875,144.55 : 1,312,716.69 = 210,296.55 : x
  2. Step 2: Convert to fraction form
    875,144.55/1,312,716.69 = 210,296.55/x
  3. Step 3: Cross multiply
    875,144.55x = 1,312,716.69 × 210,296.55
  4. Step 4: Simplify right side
    875,144.55x = 276,059,791,034.42
  5. Step 5: Solve for x
    x = 276,059,791,034.42/875,144.55
  6. Step 6: Final answer
    x = 315,444.79

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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.