Home / 743,787.88-1,026,428.70-404,255.32

Finding the Fourth Proportional to 743,787.88, 1,026,428.70 and 404,255.32

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Solution

The fourth proportional to 743,787.88, 1,026,428.70 and 404,255.32 is: 557,873.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    743,787.88 : 1,026,428.70 = 404,255.32 : x
  2. Step 2: Convert to fraction form
    743,787.88/1,026,428.70 = 404,255.32/x
  3. Step 3: Cross multiply
    743,787.88x = 1,026,428.70 × 404,255.32
  4. Step 4: Simplify right side
    743,787.88x = 414,939,262,575.68
  5. Step 5: Solve for x
    x = 414,939,262,575.68/743,787.88
  6. Step 6: Final answer
    x = 557,873.12

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Double scale
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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.