Home / 683,368.90-1,025,636.55-304,872.10

Finding the Fourth Proportional to 683,368.90, 1,025,636.55 and 304,872.10

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Solution

The fourth proportional to 683,368.90, 1,025,636.55 and 304,872.10 is: 457,568.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    683,368.90 : 1,025,636.55 = 304,872.10 : x
  2. Step 2: Convert to fraction form
    683,368.90/1,025,636.55 = 304,872.10/x
  3. Step 3: Cross multiply
    683,368.90x = 1,025,636.55 × 304,872.10
  4. Step 4: Simplify right side
    683,368.90x = 312,687,968,835.26
  5. Step 5: Solve for x
    x = 312,687,968,835.26/683,368.90
  6. Step 6: Final answer
    x = 457,568.33

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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.