Home / 858,636.01-1,287,971.49-353,131.30

Finding the Fourth Proportional to 858,636.01, 1,287,971.49 and 353,131.30

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Solution

The fourth proportional to 858,636.01, 1,287,971.49 and 353,131.30 is: 529,704.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    858,636.01 : 1,287,971.49 = 353,131.30 : x
  2. Step 2: Convert to fraction form
    858,636.01/1,287,971.49 = 353,131.30/x
  3. Step 3: Cross multiply
    858,636.01x = 1,287,971.49 × 353,131.30
  4. Step 4: Simplify right side
    858,636.01x = 454,823,043,952.06
  5. Step 5: Solve for x
    x = 454,823,043,952.06/858,636.01
  6. Step 6: Final answer
    x = 529,704.13

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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.