Home / 754,273.89-1,130,663.48-354,198.49

Finding the Fourth Proportional to 754,273.89, 1,130,663.48 and 354,198.49

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Solution

The fourth proportional to 754,273.89, 1,130,663.48 and 354,198.49 is: 530,946.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    754,273.89 : 1,130,663.48 = 354,198.49 : x
  2. Step 2: Convert to fraction form
    754,273.89/1,130,663.48 = 354,198.49/x
  3. Step 3: Cross multiply
    754,273.89x = 1,130,663.48 × 354,198.49
  4. Step 4: Simplify right side
    754,273.89x = 400,479,292,716.49
  5. Step 5: Solve for x
    x = 400,479,292,716.49/754,273.89
  6. Step 6: Final answer
    x = 530,946.78

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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.