Home / 744,485.64-1,027,572.66-422,384.28

Finding the Fourth Proportional to 744,485.64, 1,027,572.66 and 422,384.28

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Solution

The fourth proportional to 744,485.64, 1,027,572.66 and 422,384.28 is: 582,993.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    744,485.64 : 1,027,572.66 = 422,384.28 : x
  2. Step 2: Convert to fraction form
    744,485.64/1,027,572.66 = 422,384.28/x
  3. Step 3: Cross multiply
    744,485.64x = 1,027,572.66 × 422,384.28
  4. Step 4: Simplify right side
    744,485.64x = 434,030,538,141.79
  5. Step 5: Solve for x
    x = 434,030,538,141.79/744,485.64
  6. Step 6: Final answer
    x = 582,993.83

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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.