Home / 765,786.34-1,148,679.78-344,570.14

Finding the Fourth Proportional to 765,786.34, 1,148,679.78 and 344,570.14

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Solution

The fourth proportional to 765,786.34, 1,148,679.78 and 344,570.14 is: 516,855.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    765,786.34 : 1,148,679.78 = 344,570.14 : x
  2. Step 2: Convert to fraction form
    765,786.34/1,148,679.78 = 344,570.14/x
  3. Step 3: Cross multiply
    765,786.34x = 1,148,679.78 × 344,570.14
  4. Step 4: Simplify right side
    765,786.34x = 395,800,752,609.77
  5. Step 5: Solve for x
    x = 395,800,752,609.77/765,786.34
  6. Step 6: Final answer
    x = 516,855.33

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Double scale
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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.