Home / 681,082.25-939,858.76-375,152.04

Finding the Fourth Proportional to 681,082.25, 939,858.76 and 375,152.04

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Solution

The fourth proportional to 681,082.25, 939,858.76 and 375,152.04 is: 517,690.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    681,082.25 : 939,858.76 = 375,152.04 : x
  2. Step 2: Convert to fraction form
    681,082.25/939,858.76 = 375,152.04/x
  3. Step 3: Cross multiply
    681,082.25x = 939,858.76 × 375,152.04
  4. Step 4: Simplify right side
    681,082.25x = 352,589,931,594.81
  5. Step 5: Solve for x
    x = 352,589,931,594.81/681,082.25
  6. Step 6: Final answer
    x = 517,690.68

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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.