Home / 743,012.01-1,025,362.26-403,480.26

Finding the Fourth Proportional to 743,012.01, 1,025,362.26 and 403,480.26

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Solution

The fourth proportional to 743,012.01, 1,025,362.26 and 403,480.26 is: 556,805.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    743,012.01 : 1,025,362.26 = 403,480.26 : x
  2. Step 2: Convert to fraction form
    743,012.01/1,025,362.26 = 403,480.26/x
  3. Step 3: Cross multiply
    743,012.01x = 1,025,362.26 × 403,480.26
  4. Step 4: Simplify right side
    743,012.01x = 413,713,431,258.99
  5. Step 5: Solve for x
    x = 413,713,431,258.99/743,012.01
  6. Step 6: Final answer
    x = 556,805.85

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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.