Home / 711,011.14-1,066,411.78-261,627.60

Finding the Fourth Proportional to 711,011.14, 1,066,411.78 and 261,627.60

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Solution

The fourth proportional to 711,011.14, 1,066,411.78 and 261,627.60 is: 392,402.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    711,011.14 : 1,066,411.78 = 261,627.60 : x
  2. Step 2: Convert to fraction form
    711,011.14/1,066,411.78 = 261,627.60/x
  3. Step 3: Cross multiply
    711,011.14x = 1,066,411.78 × 261,627.60
  4. Step 4: Simplify right side
    711,011.14x = 279,002,754,613.13
  5. Step 5: Solve for x
    x = 279,002,754,613.13/711,011.14
  6. Step 6: Final answer
    x = 392,402.79

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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.