Home / 744,826.50-1,027,860.57-405,297.18

Finding the Fourth Proportional to 744,826.50, 1,027,860.57 and 405,297.18

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Solution

The fourth proportional to 744,826.50, 1,027,860.57 and 405,297.18 is: 559,310.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    744,826.50 : 1,027,860.57 = 405,297.18 : x
  2. Step 2: Convert to fraction form
    744,826.50/1,027,860.57 = 405,297.18/x
  3. Step 3: Cross multiply
    744,826.50x = 1,027,860.57 × 405,297.18
  4. Step 4: Simplify right side
    744,826.50x = 416,588,990,454.19
  5. Step 5: Solve for x
    x = 416,588,990,454.19/744,826.50
  6. Step 6: Final answer
    x = 559,310.11

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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.