Home / 846,930.35-1,270,127.81-278,218.01

Finding the Fourth Proportional to 846,930.35, 1,270,127.81 and 278,218.01

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Solution

The fourth proportional to 846,930.35, 1,270,127.81 and 278,218.01 is: 417,239.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    846,930.35 : 1,270,127.81 = 278,218.01 : x
  2. Step 2: Convert to fraction form
    846,930.35/1,270,127.81 = 278,218.01/x
  3. Step 3: Cross multiply
    846,930.35x = 1,270,127.81 × 278,218.01
  4. Step 4: Simplify right side
    846,930.35x = 353,372,431,743.86
  5. Step 5: Solve for x
    x = 353,372,431,743.86/846,930.35
  6. Step 6: Final answer
    x = 417,239.07

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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.