Home / 486,060.10-670,493.37-284,817.22

Finding the Fourth Proportional to 486,060.10, 670,493.37 and 284,817.22

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Solution

The fourth proportional to 486,060.10, 670,493.37 and 284,817.22 is: 392,889.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    486,060.10 : 670,493.37 = 284,817.22 : x
  2. Step 2: Convert to fraction form
    486,060.10/670,493.37 = 284,817.22/x
  3. Step 3: Cross multiply
    486,060.10x = 670,493.37 × 284,817.22
  4. Step 4: Simplify right side
    486,060.10x = 190,968,057,671.83
  5. Step 5: Solve for x
    x = 190,968,057,671.83/486,060.10
  6. Step 6: Final answer
    x = 392,889.80

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.