Home / 744,919.34-1,028,012.04-422,643.02

Finding the Fourth Proportional to 744,919.34, 1,028,012.04 and 422,643.02

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Solution

The fourth proportional to 744,919.34, 1,028,012.04 and 422,643.02 is: 583,260.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    744,919.34 : 1,028,012.04 = 422,643.02 : x
  2. Step 2: Convert to fraction form
    744,919.34/1,028,012.04 = 422,643.02/x
  3. Step 3: Cross multiply
    744,919.34x = 1,028,012.04 × 422,643.02
  4. Step 4: Simplify right side
    744,919.34x = 434,482,113,181.96
  5. Step 5: Solve for x
    x = 434,482,113,181.96/744,919.34
  6. Step 6: Final answer
    x = 583,260.62

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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.