Home / 902,428.75-1,352,731.75-565,705.43

Finding the Fourth Proportional to 902,428.75, 1,352,731.75 and 565,705.43

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Solution

The fourth proportional to 902,428.75, 1,352,731.75 and 565,705.43 is: 847,986.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    902,428.75 : 1,352,731.75 = 565,705.43 : x
  2. Step 2: Convert to fraction form
    902,428.75/1,352,731.75 = 565,705.43/x
  3. Step 3: Cross multiply
    902,428.75x = 1,352,731.75 × 565,705.43
  4. Step 4: Simplify right side
    902,428.75x = 765,247,696,308.40
  5. Step 5: Solve for x
    x = 765,247,696,308.40/902,428.75
  6. Step 6: Final answer
    x = 847,986.83

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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.