Home / 749,918.56-1,034,884.88-405,753.44

Finding the Fourth Proportional to 749,918.56, 1,034,884.88 and 405,753.44

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Solution

The fourth proportional to 749,918.56, 1,034,884.88 and 405,753.44 is: 559,938.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    749,918.56 : 1,034,884.88 = 405,753.44 : x
  2. Step 2: Convert to fraction form
    749,918.56/1,034,884.88 = 405,753.44/x
  3. Step 3: Cross multiply
    749,918.56x = 1,034,884.88 × 405,753.44
  4. Step 4: Simplify right side
    749,918.56x = 419,908,100,063.99
  5. Step 5: Solve for x
    x = 419,908,100,063.99/749,918.56
  6. Step 6: Final answer
    x = 559,938.27

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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.