Home / 629,262.56-868,396.80-357,287.24

Finding the Fourth Proportional to 629,262.56, 868,396.80 and 357,287.24

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Solution

The fourth proportional to 629,262.56, 868,396.80 and 357,287.24 is: 493,064.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,262.56 : 868,396.80 = 357,287.24 : x
  2. Step 2: Convert to fraction form
    629,262.56/868,396.80 = 357,287.24/x
  3. Step 3: Cross multiply
    629,262.56x = 868,396.80 × 357,287.24
  4. Step 4: Simplify right side
    629,262.56x = 310,267,095,896.83
  5. Step 5: Solve for x
    x = 310,267,095,896.83/629,262.56
  6. Step 6: Final answer
    x = 493,064.61

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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.