Home / 488,971.02-733,314.24-189,384.78

Finding the Fourth Proportional to 488,971.02, 733,314.24 and 189,384.78

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Solution

The fourth proportional to 488,971.02, 733,314.24 and 189,384.78 is: 284,022.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,971.02 : 733,314.24 = 189,384.78 : x
  2. Step 2: Convert to fraction form
    488,971.02/733,314.24 = 189,384.78/x
  3. Step 3: Cross multiply
    488,971.02x = 733,314.24 × 189,384.78
  4. Step 4: Simplify right side
    488,971.02x = 138,878,556,013.27
  5. Step 5: Solve for x
    x = 138,878,556,013.27/488,971.02
  6. Step 6: Final answer
    x = 284,022.06

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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.