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Finding the Fourth Proportional to 668,049.26, 921,966.30 and 366,301.58

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Solution

The fourth proportional to 668,049.26, 921,966.30 and 366,301.58 is: 505,528.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    668,049.26 : 921,966.30 = 366,301.58 : x
  2. Step 2: Convert to fraction form
    668,049.26/921,966.30 = 366,301.58/x
  3. Step 3: Cross multiply
    668,049.26x = 921,966.30 × 366,301.58
  4. Step 4: Simplify right side
    668,049.26x = 337,717,707,786.92
  5. Step 5: Solve for x
    x = 337,717,707,786.92/668,049.26
  6. Step 6: Final answer
    x = 505,528.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.