Home / 743,822.16-1,026,486.24-404,291.28

Finding the Fourth Proportional to 743,822.16, 1,026,486.24 and 404,291.28

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Solution

The fourth proportional to 743,822.16, 1,026,486.24 and 404,291.28 is: 557,928.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    743,822.16 : 1,026,486.24 = 404,291.28 : x
  2. Step 2: Convert to fraction form
    743,822.16/1,026,486.24 = 404,291.28/x
  3. Step 3: Cross multiply
    743,822.16x = 1,026,486.24 × 404,291.28
  4. Step 4: Simplify right side
    743,822.16x = 414,999,435,871.99
  5. Step 5: Solve for x
    x = 414,999,435,871.99/743,822.16
  6. Step 6: Final answer
    x = 557,928.30

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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.