Home / 813,037.95-1,121,977.80-450,454.52

Finding the Fourth Proportional to 813,037.95, 1,121,977.80 and 450,454.52

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Solution

The fourth proportional to 813,037.95, 1,121,977.80 and 450,454.52 is: 621,619.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    813,037.95 : 1,121,977.80 = 450,454.52 : x
  2. Step 2: Convert to fraction form
    813,037.95/1,121,977.80 = 450,454.52/x
  3. Step 3: Cross multiply
    813,037.95x = 1,121,977.80 × 450,454.52
  4. Step 4: Simplify right side
    813,037.95x = 505,399,965,739.77
  5. Step 5: Solve for x
    x = 505,399,965,739.77/813,037.95
  6. Step 6: Final answer
    x = 621,619.16

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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.