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Finding the Fourth Proportional to 695,461.36, 1,043,192 and 379,746

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Solution

The fourth proportional to 695,461.36, 1,043,192 and 379,746 is: 569,618.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    695,461.36 : 1,043,192 = 379,746 : x
  2. Step 2: Convert to fraction form
    695,461.36/1,043,192 = 379,746/x
  3. Step 3: Cross multiply
    695,461.36x = 1,043,192 × 379,746
  4. Step 4: Simplify right side
    695,461.36x = 396,147,989,232
  5. Step 5: Solve for x
    x = 396,147,989,232/695,461.36
  6. Step 6: Final answer
    x = 569,618.98

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.