Home / 684,853.44-1,026,346.88-329,841.60

Finding the Fourth Proportional to 684,853.44, 1,026,346.88 and 329,841.60

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Solution

The fourth proportional to 684,853.44, 1,026,346.88 and 329,841.60 is: 494,312.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    684,853.44 : 1,026,346.88 = 329,841.60 : x
  2. Step 2: Convert to fraction form
    684,853.44/1,026,346.88 = 329,841.60/x
  3. Step 3: Cross multiply
    684,853.44x = 1,026,346.88 × 329,841.60
  4. Step 4: Simplify right side
    684,853.44x = 338,531,897,054.21
  5. Step 5: Solve for x
    x = 338,531,897,054.21/684,853.44
  6. Step 6: Final answer
    x = 494,312.91

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.