Home / 446,822.20-670,233.30-257,087.80

Finding the Fourth Proportional to 446,822.20, 670,233.30 and 257,087.80

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Solution

The fourth proportional to 446,822.20, 670,233.30 and 257,087.80 is: 385,631.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,822.20 : 670,233.30 = 257,087.80 : x
  2. Step 2: Convert to fraction form
    446,822.20/670,233.30 = 257,087.80/x
  3. Step 3: Cross multiply
    446,822.20x = 670,233.30 × 257,087.80
  4. Step 4: Simplify right side
    446,822.20x = 172,308,804,583.74
  5. Step 5: Solve for x
    x = 172,308,804,583.74/446,822.20
  6. Step 6: Final answer
    x = 385,631.70

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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.