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Finding the Fourth Proportional to 599,511.89, 899,711.31 and 283,969.51

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Solution

The fourth proportional to 599,511.89, 899,711.31 and 283,969.51 is: 426,164.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    599,511.89 : 899,711.31 = 283,969.51 : x
  2. Step 2: Convert to fraction form
    599,511.89/899,711.31 = 283,969.51/x
  3. Step 3: Cross multiply
    599,511.89x = 899,711.31 × 283,969.51
  4. Step 4: Simplify right side
    599,511.89x = 255,490,579,842.16
  5. Step 5: Solve for x
    x = 255,490,579,842.16/599,511.89
  6. Step 6: Final answer
    x = 426,164.32

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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.