Home / 683,812.60-1,025,718.90-310,564.60

Finding the Fourth Proportional to 683,812.60, 1,025,718.90 and 310,564.60

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Solution

The fourth proportional to 683,812.60, 1,025,718.90 and 310,564.60 is: 465,846.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    683,812.60 : 1,025,718.90 = 310,564.60 : x
  2. Step 2: Convert to fraction form
    683,812.60/1,025,718.90 = 310,564.60/x
  3. Step 3: Cross multiply
    683,812.60x = 1,025,718.90 × 310,564.60
  4. Step 4: Simplify right side
    683,812.60x = 318,551,979,890.94
  5. Step 5: Solve for x
    x = 318,551,979,890.94/683,812.60
  6. Step 6: Final answer
    x = 465,846.90

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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.