Home / 804,723.40-1,207,085.10-306,022.60

Finding the Fourth Proportional to 804,723.40, 1,207,085.10 and 306,022.60

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Solution

The fourth proportional to 804,723.40, 1,207,085.10 and 306,022.60 is: 459,033.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    804,723.40 : 1,207,085.10 = 306,022.60 : x
  2. Step 2: Convert to fraction form
    804,723.40/1,207,085.10 = 306,022.60/x
  3. Step 3: Cross multiply
    804,723.40x = 1,207,085.10 × 306,022.60
  4. Step 4: Simplify right side
    804,723.40x = 369,395,320,723.26
  5. Step 5: Solve for x
    x = 369,395,320,723.26/804,723.40
  6. Step 6: Final answer
    x = 459,033.90

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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.