Home / 858,303.60-1,286,533.80-325,618.80

Finding the Fourth Proportional to 858,303.60, 1,286,533.80 and 325,618.80

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Solution

The fourth proportional to 858,303.60, 1,286,533.80 and 325,618.80 is: 488,078.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    858,303.60 : 1,286,533.80 = 325,618.80 : x
  2. Step 2: Convert to fraction form
    858,303.60/1,286,533.80 = 325,618.80/x
  3. Step 3: Cross multiply
    858,303.60x = 1,286,533.80 × 325,618.80
  4. Step 4: Simplify right side
    858,303.60x = 418,919,592,115.44
  5. Step 5: Solve for x
    x = 418,919,592,115.44/858,303.60
  6. Step 6: Final answer
    x = 488,078.57

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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.