Home / 743,414.40-1,025,906.40-403,885.44

Finding the Fourth Proportional to 743,414.40, 1,025,906.40 and 403,885.44

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Solution

The fourth proportional to 743,414.40, 1,025,906.40 and 403,885.44 is: 557,358.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    743,414.40 : 1,025,906.40 = 403,885.44 : x
  2. Step 2: Convert to fraction form
    743,414.40/1,025,906.40 = 403,885.44/x
  3. Step 3: Cross multiply
    743,414.40x = 1,025,906.40 × 403,885.44
  4. Step 4: Simplify right side
    743,414.40x = 414,348,657,762.82
  5. Step 5: Solve for x
    x = 414,348,657,762.82/743,414.40
  6. Step 6: Final answer
    x = 557,358.93

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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.