Home / 743,646.25-1,026,319.31-441,840.25

Finding the Fourth Proportional to 743,646.25, 1,026,319.31 and 441,840.25

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Solution

The fourth proportional to 743,646.25, 1,026,319.31 and 441,840.25 is: 609,791.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    743,646.25 : 1,026,319.31 = 441,840.25 : x
  2. Step 2: Convert to fraction form
    743,646.25/1,026,319.31 = 441,840.25/x
  3. Step 3: Cross multiply
    743,646.25x = 1,026,319.31 × 441,840.25
  4. Step 4: Simplify right side
    743,646.25x = 453,469,180,510.23
  5. Step 5: Solve for x
    x = 453,469,180,510.23/743,646.25
  6. Step 6: Final answer
    x = 609,791.52

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Half scale
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Double scale
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Similar ratio
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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.