Home / 910,638.42-1,365,719.77-270,769.87

Finding the Fourth Proportional to 910,638.42, 1,365,719.77 and 270,769.87

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Solution

The fourth proportional to 910,638.42, 1,365,719.77 and 270,769.87 is: 406,084.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    910,638.42 : 1,365,719.77 = 270,769.87 : x
  2. Step 2: Convert to fraction form
    910,638.42/1,365,719.77 = 270,769.87/x
  3. Step 3: Cross multiply
    910,638.42x = 1,365,719.77 × 270,769.87
  4. Step 4: Simplify right side
    910,638.42x = 369,795,766,624.94
  5. Step 5: Solve for x
    x = 369,795,766,624.94/910,638.42
  6. Step 6: Final answer
    x = 406,084.08

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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.