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Finding the Fourth Proportional to 585,453.08, 807,914.72 and 330,798.80

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Solution

The fourth proportional to 585,453.08, 807,914.72 and 330,798.80 is: 456,496.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    585,453.08 : 807,914.72 = 330,798.80 : x
  2. Step 2: Convert to fraction form
    585,453.08/807,914.72 = 330,798.80/x
  3. Step 3: Cross multiply
    585,453.08x = 807,914.72 × 330,798.80
  4. Step 4: Simplify right side
    585,453.08x = 267,257,222,725.12
  5. Step 5: Solve for x
    x = 267,257,222,725.12/585,453.08
  6. Step 6: Final answer
    x = 456,496.40

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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.