Home / 744,725.16-1,027,690.02-405,194.76

Finding the Fourth Proportional to 744,725.16, 1,027,690.02 and 405,194.76

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Solution

The fourth proportional to 744,725.16, 1,027,690.02 and 405,194.76 is: 559,152.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    744,725.16 : 1,027,690.02 = 405,194.76 : x
  2. Step 2: Convert to fraction form
    744,725.16/1,027,690.02 = 405,194.76/x
  3. Step 3: Cross multiply
    744,725.16x = 1,027,690.02 × 405,194.76
  4. Step 4: Simplify right side
    744,725.16x = 416,414,611,008.30
  5. Step 5: Solve for x
    x = 416,414,611,008.30/744,725.16
  6. Step 6: Final answer
    x = 559,152.06

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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.