Home / 780,843.04-1,171,488.72-325,345.60

Finding the Fourth Proportional to 780,843.04, 1,171,488.72 and 325,345.60

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Solution

The fourth proportional to 780,843.04, 1,171,488.72 and 325,345.60 is: 488,111.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    780,843.04 : 1,171,488.72 = 325,345.60 : x
  2. Step 2: Convert to fraction form
    780,843.04/1,171,488.72 = 325,345.60/x
  3. Step 3: Cross multiply
    780,843.04x = 1,171,488.72 × 325,345.60
  4. Step 4: Simplify right side
    780,843.04x = 381,138,700,501.63
  5. Step 5: Solve for x
    x = 381,138,700,501.63/780,843.04
  6. Step 6: Final answer
    x = 488,111.80

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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.