Home / 724,379.66-1,085,904.26-250,733.78

Finding the Fourth Proportional to 724,379.66, 1,085,904.26 and 250,733.78

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Solution

The fourth proportional to 724,379.66, 1,085,904.26 and 250,733.78 is: 375,870.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,379.66 : 1,085,904.26 = 250,733.78 : x
  2. Step 2: Convert to fraction form
    724,379.66/1,085,904.26 = 250,733.78/x
  3. Step 3: Cross multiply
    724,379.66x = 1,085,904.26 × 250,733.78
  4. Step 4: Simplify right side
    724,379.66x = 272,272,879,827.90
  5. Step 5: Solve for x
    x = 272,272,879,827.90/724,379.66
  6. Step 6: Final answer
    x = 375,870.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.