Home / 709,456.80-1,064,194.56-236,142.24

Finding the Fourth Proportional to 709,456.80, 1,064,194.56 and 236,142.24

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Solution

The fourth proportional to 709,456.80, 1,064,194.56 and 236,142.24 is: 354,216.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    709,456.80 : 1,064,194.56 = 236,142.24 : x
  2. Step 2: Convert to fraction form
    709,456.80/1,064,194.56 = 236,142.24/x
  3. Step 3: Cross multiply
    709,456.80x = 1,064,194.56 × 236,142.24
  4. Step 4: Simplify right side
    709,456.80x = 251,301,287,194.21
  5. Step 5: Solve for x
    x = 251,301,287,194.21/709,456.80
  6. Step 6: Final answer
    x = 354,216.48

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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 (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.