Home / 683,528.70-1,025,391.09-210,253.98

Finding the Fourth Proportional to 683,528.70, 1,025,391.09 and 210,253.98

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Solution

The fourth proportional to 683,528.70, 1,025,391.09 and 210,253.98 is: 315,411.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    683,528.70 : 1,025,391.09 = 210,253.98 : x
  2. Step 2: Convert to fraction form
    683,528.70/1,025,391.09 = 210,253.98/x
  3. Step 3: Cross multiply
    683,528.70x = 1,025,391.09 × 210,253.98
  4. Step 4: Simplify right side
    683,528.70x = 215,592,557,729.04
  5. Step 5: Solve for x
    x = 215,592,557,729.04/683,528.70
  6. Step 6: Final answer
    x = 315,411.13

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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.