Home / 743,848.88-1,026,512.88-404,316.32

Finding the Fourth Proportional to 743,848.88, 1,026,512.88 and 404,316.32

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Solution

The fourth proportional to 743,848.88, 1,026,512.88 and 404,316.32 is: 557,957.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    743,848.88 : 1,026,512.88 = 404,316.32 : x
  2. Step 2: Convert to fraction form
    743,848.88/1,026,512.88 = 404,316.32/x
  3. Step 3: Cross multiply
    743,848.88x = 1,026,512.88 × 404,316.32
  4. Step 4: Simplify right side
    743,848.88x = 415,035,910,074.20
  5. Step 5: Solve for x
    x = 415,035,910,074.20/743,848.88
  6. Step 6: Final answer
    x = 557,957.30

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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.