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Finding the Fourth Proportional to 966,968.72, 1,333,031 and 679,596.92

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Solution

The fourth proportional to 966,968.72, 1,333,031 and 679,596.92 is: 936,869.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    966,968.72 : 1,333,031 = 679,596.92 : x
  2. Step 2: Convert to fraction form
    966,968.72/1,333,031 = 679,596.92/x
  3. Step 3: Cross multiply
    966,968.72x = 1,333,031 × 679,596.92
  4. Step 4: Simplify right side
    966,968.72x = 905,923,761,864.52
  5. Step 5: Solve for x
    x = 905,923,761,864.52/966,968.72
  6. Step 6: Final answer
    x = 936,869.77

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Double scale
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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.