Home / 842,748.43-1,264,159.56-243,770.14

Finding the Fourth Proportional to 842,748.43, 1,264,159.56 and 243,770.14

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Solution

The fourth proportional to 842,748.43, 1,264,159.56 and 243,770.14 is: 365,665.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    842,748.43 : 1,264,159.56 = 243,770.14 : x
  2. Step 2: Convert to fraction form
    842,748.43/1,264,159.56 = 243,770.14/x
  3. Step 3: Cross multiply
    842,748.43x = 1,264,159.56 × 243,770.14
  4. Step 4: Simplify right side
    842,748.43x = 308,164,352,923.54
  5. Step 5: Solve for x
    x = 308,164,352,923.54/842,748.43
  6. Step 6: Final answer
    x = 365,665.89

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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.