Home / 744,365.76-1,027,205.28-434,327.64

Finding the Fourth Proportional to 744,365.76, 1,027,205.28 and 434,327.64

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Solution

The fourth proportional to 744,365.76, 1,027,205.28 and 434,327.64 is: 599,360.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    744,365.76 : 1,027,205.28 = 434,327.64 : x
  2. Step 2: Convert to fraction form
    744,365.76/1,027,205.28 = 434,327.64/x
  3. Step 3: Cross multiply
    744,365.76x = 1,027,205.28 × 434,327.64
  4. Step 4: Simplify right side
    744,365.76x = 446,143,645,057.94
  5. Step 5: Solve for x
    x = 446,143,645,057.94/744,365.76
  6. Step 6: Final answer
    x = 599,360.78

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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.