Home / 683,775.07-1,025,675.80-210,459.94

Finding the Fourth Proportional to 683,775.07, 1,025,675.80 and 210,459.94

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Solution

The fourth proportional to 683,775.07, 1,025,675.80 and 210,459.94 is: 315,693.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    683,775.07 : 1,025,675.80 = 210,459.94 : x
  2. Step 2: Convert to fraction form
    683,775.07/1,025,675.80 = 210,459.94/x
  3. Step 3: Cross multiply
    683,775.07x = 1,025,675.80 × 210,459.94
  4. Step 4: Simplify right side
    683,775.07x = 215,863,664,237.11
  5. Step 5: Solve for x
    x = 215,863,664,237.11/683,775.07
  6. Step 6: Final answer
    x = 315,693.97

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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.