Home / 730,466.64-1,008,144.09-420,362.87

Finding the Fourth Proportional to 730,466.64, 1,008,144.09 and 420,362.87

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Solution

The fourth proportional to 730,466.64, 1,008,144.09 and 420,362.87 is: 580,158.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    730,466.64 : 1,008,144.09 = 420,362.87 : x
  2. Step 2: Convert to fraction form
    730,466.64/1,008,144.09 = 420,362.87/x
  3. Step 3: Cross multiply
    730,466.64x = 1,008,144.09 × 420,362.87
  4. Step 4: Simplify right side
    730,466.64x = 423,786,338,005.22
  5. Step 5: Solve for x
    x = 423,786,338,005.22/730,466.64
  6. Step 6: Final answer
    x = 580,158.37

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Double scale
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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.