Home / 683,397.76-1,025,178.66-284,308.54

Finding the Fourth Proportional to 683,397.76, 1,025,178.66 and 284,308.54

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Solution

The fourth proportional to 683,397.76, 1,025,178.66 and 284,308.54 is: 426,496.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    683,397.76 : 1,025,178.66 = 284,308.54 : x
  2. Step 2: Convert to fraction form
    683,397.76/1,025,178.66 = 284,308.54/x
  3. Step 3: Cross multiply
    683,397.76x = 1,025,178.66 × 284,308.54
  4. Step 4: Simplify right side
    683,397.76x = 291,467,048,063.76
  5. Step 5: Solve for x
    x = 291,467,048,063.76/683,397.76
  6. Step 6: Final answer
    x = 426,496.93

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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.