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Finding the Fourth Proportional to 702,393.36, 969,302.84 and 380,103.44

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Solution

The fourth proportional to 702,393.36, 969,302.84 and 380,103.44 is: 524,542.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    702,393.36 : 969,302.84 = 380,103.44 : x
  2. Step 2: Convert to fraction form
    702,393.36/969,302.84 = 380,103.44/x
  3. Step 3: Cross multiply
    702,393.36x = 969,302.84 × 380,103.44
  4. Step 4: Simplify right side
    702,393.36x = 368,435,337,138.74
  5. Step 5: Solve for x
    x = 368,435,337,138.74/702,393.36
  6. Step 6: Final answer
    x = 524,542.74

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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.