Home / 681,219.72-940,075.07-375,290.01

Finding the Fourth Proportional to 681,219.72, 940,075.07 and 375,290.01

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Solution

The fourth proportional to 681,219.72, 940,075.07 and 375,290.01 is: 517,895.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    681,219.72 : 940,075.07 = 375,290.01 : x
  2. Step 2: Convert to fraction form
    681,219.72/940,075.07 = 375,290.01/x
  3. Step 3: Cross multiply
    681,219.72x = 940,075.07 × 375,290.01
  4. Step 4: Simplify right side
    681,219.72x = 352,800,780,544.60
  5. Step 5: Solve for x
    x = 352,800,780,544.60/681,219.72
  6. Step 6: Final answer
    x = 517,895.72

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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.