Home / 736,947.52-1,103,649.81-420,444.88

Finding the Fourth Proportional to 736,947.52, 1,103,649.81 and 420,444.88

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Solution

The fourth proportional to 736,947.52, 1,103,649.81 and 420,444.88 is: 629,656.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    736,947.52 : 1,103,649.81 = 420,444.88 : x
  2. Step 2: Convert to fraction form
    736,947.52/1,103,649.81 = 420,444.88/x
  3. Step 3: Cross multiply
    736,947.52x = 1,103,649.81 × 420,444.88
  4. Step 4: Simplify right side
    736,947.52x = 464,023,907,591.68
  5. Step 5: Solve for x
    x = 464,023,907,591.68/736,947.52
  6. Step 6: Final answer
    x = 629,656.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.