Home / 743,766.88-1,026,406.32-404,235.20

Finding the Fourth Proportional to 743,766.88, 1,026,406.32 and 404,235.20

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Solution

The fourth proportional to 743,766.88, 1,026,406.32 and 404,235.20 is: 557,848.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    743,766.88 : 1,026,406.32 = 404,235.20 : x
  2. Step 2: Convert to fraction form
    743,766.88/1,026,406.32 = 404,235.20/x
  3. Step 3: Cross multiply
    743,766.88x = 1,026,406.32 × 404,235.20
  4. Step 4: Simplify right side
    743,766.88x = 414,909,564,046.46
  5. Step 5: Solve for x
    x = 414,909,564,046.46/743,766.88
  6. Step 6: Final answer
    x = 557,848.94

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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.