Home / 459,784.80-634,379.04-268,845.12

Finding the Fourth Proportional to 459,784.80, 634,379.04 and 268,845.12

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Solution

The fourth proportional to 459,784.80, 634,379.04 and 268,845.12 is: 370,933.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,784.80 : 634,379.04 = 268,845.12 : x
  2. Step 2: Convert to fraction form
    459,784.80/634,379.04 = 268,845.12/x
  3. Step 3: Cross multiply
    459,784.80x = 634,379.04 × 268,845.12
  4. Step 4: Simplify right side
    459,784.80x = 170,549,709,134.29
  5. Step 5: Solve for x
    x = 170,549,709,134.29/459,784.80
  6. Step 6: Final answer
    x = 370,933.77

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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.