Home / 754,858.20-1,132,433.10-380,881.20

Finding the Fourth Proportional to 754,858.20, 1,132,433.10 and 380,881.20

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Solution

The fourth proportional to 754,858.20, 1,132,433.10 and 380,881.20 is: 571,395.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    754,858.20 : 1,132,433.10 = 380,881.20 : x
  2. Step 2: Convert to fraction form
    754,858.20/1,132,433.10 = 380,881.20/x
  3. Step 3: Cross multiply
    754,858.20x = 1,132,433.10 × 380,881.20
  4. Step 4: Simplify right side
    754,858.20x = 431,322,478,047.72
  5. Step 5: Solve for x
    x = 431,322,478,047.72/754,858.20
  6. Step 6: Final answer
    x = 571,395.37

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Double scale
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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.