Home / 754,016.70-1,131,353.10-380,039.70

Finding the Fourth Proportional to 754,016.70, 1,131,353.10 and 380,039.70

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Solution

The fourth proportional to 754,016.70, 1,131,353.10 and 380,039.70 is: 570,224.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    754,016.70 : 1,131,353.10 = 380,039.70 : x
  2. Step 2: Convert to fraction form
    754,016.70/1,131,353.10 = 380,039.70/x
  3. Step 3: Cross multiply
    754,016.70x = 1,131,353.10 × 380,039.70
  4. Step 4: Simplify right side
    754,016.70x = 429,959,092,718.07
  5. Step 5: Solve for x
    x = 429,959,092,718.07/754,016.70
  6. Step 6: Final answer
    x = 570,224.89

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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.