Home / 743,487.76-1,026,022.44-403,961.68

Finding the Fourth Proportional to 743,487.76, 1,026,022.44 and 403,961.68

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Solution

The fourth proportional to 743,487.76, 1,026,022.44 and 403,961.68 is: 557,472.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    743,487.76 : 1,026,022.44 = 403,961.68 : x
  2. Step 2: Convert to fraction form
    743,487.76/1,026,022.44 = 403,961.68/x
  3. Step 3: Cross multiply
    743,487.76x = 1,026,022.44 × 403,961.68
  4. Step 4: Simplify right side
    743,487.76x = 414,473,748,580.10
  5. Step 5: Solve for x
    x = 414,473,748,580.10/743,487.76
  6. Step 6: Final answer
    x = 557,472.19

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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.