Home / 684,940.25-1,027,417.41-305,880.27

Finding the Fourth Proportional to 684,940.25, 1,027,417.41 and 305,880.27

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Solution

The fourth proportional to 684,940.25, 1,027,417.41 and 305,880.27 is: 458,823.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    684,940.25 : 1,027,417.41 = 305,880.27 : x
  2. Step 2: Convert to fraction form
    684,940.25/1,027,417.41 = 305,880.27/x
  3. Step 3: Cross multiply
    684,940.25x = 1,027,417.41 × 305,880.27
  4. Step 4: Simplify right side
    684,940.25x = 314,266,714,773.50
  5. Step 5: Solve for x
    x = 314,266,714,773.50/684,940.25
  6. Step 6: Final answer
    x = 458,823.55

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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.