Home / 692,082.24-955,140.28-420,087.44

Finding the Fourth Proportional to 692,082.24, 955,140.28 and 420,087.44

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Solution

The fourth proportional to 692,082.24, 955,140.28 and 420,087.44 is: 579,761.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    692,082.24 : 955,140.28 = 420,087.44 : x
  2. Step 2: Convert to fraction form
    692,082.24/955,140.28 = 420,087.44/x
  3. Step 3: Cross multiply
    692,082.24x = 955,140.28 × 420,087.44
  4. Step 4: Simplify right side
    692,082.24x = 401,242,435,066.08
  5. Step 5: Solve for x
    x = 401,242,435,066.08/692,082.24
  6. Step 6: Final answer
    x = 579,761.21

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1.5x scale

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.