Home / 902,758.50-1,245,806.73-500,350.50

Finding the Fourth Proportional to 902,758.50, 1,245,806.73 and 500,350.50

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Solution

The fourth proportional to 902,758.50, 1,245,806.73 and 500,350.50 is: 690,483.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    902,758.50 : 1,245,806.73 = 500,350.50 : x
  2. Step 2: Convert to fraction form
    902,758.50/1,245,806.73 = 500,350.50/x
  3. Step 3: Cross multiply
    902,758.50x = 1,245,806.73 × 500,350.50
  4. Step 4: Simplify right side
    902,758.50x = 623,340,020,258.87
  5. Step 5: Solve for x
    x = 623,340,020,258.87/902,758.50
  6. Step 6: Final answer
    x = 690,483.69

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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.