Home / 684,744.40-1,027,116.60-446,798.80

Finding the Fourth Proportional to 684,744.40, 1,027,116.60 and 446,798.80

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Solution

The fourth proportional to 684,744.40, 1,027,116.60 and 446,798.80 is: 670,198.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    684,744.40 : 1,027,116.60 = 446,798.80 : x
  2. Step 2: Convert to fraction form
    684,744.40/1,027,116.60 = 446,798.80/x
  3. Step 3: Cross multiply
    684,744.40x = 1,027,116.60 × 446,798.80
  4. Step 4: Simplify right side
    684,744.40x = 458,914,464,340.08
  5. Step 5: Solve for x
    x = 458,914,464,340.08/684,744.40
  6. Step 6: Final answer
    x = 670,198.20

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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.