Home / 459,933.72-634,729.40-255,997.65

Finding the Fourth Proportional to 459,933.72, 634,729.40 and 255,997.65

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Solution

The fourth proportional to 459,933.72, 634,729.40 and 255,997.65 is: 353,288.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,933.72 : 634,729.40 = 255,997.65 : x
  2. Step 2: Convert to fraction form
    459,933.72/634,729.40 = 255,997.65/x
  3. Step 3: Cross multiply
    459,933.72x = 634,729.40 × 255,997.65
  4. Step 4: Simplify right side
    459,933.72x = 162,489,234,785.91
  5. Step 5: Solve for x
    x = 162,489,234,785.91/459,933.72
  6. Step 6: Final answer
    x = 353,288.37

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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.