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Finding the Fourth Proportional to 707,474.48, 976,282.58 and 385,183.86

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Solution

The fourth proportional to 707,474.48, 976,282.58 and 385,183.86 is: 531,536.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    707,474.48 : 976,282.58 = 385,183.86 : x
  2. Step 2: Convert to fraction form
    707,474.48/976,282.58 = 385,183.86/x
  3. Step 3: Cross multiply
    707,474.48x = 976,282.58 × 385,183.86
  4. Step 4: Simplify right side
    707,474.48x = 376,048,290,689.24
  5. Step 5: Solve for x
    x = 376,048,290,689.24/707,474.48
  6. Step 6: Final answer
    x = 531,536.20

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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.