Home / 507,977.80-701,010.35-281,623.30

Finding the Fourth Proportional to 507,977.80, 701,010.35 and 281,623.30

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Solution

The fourth proportional to 507,977.80, 701,010.35 and 281,623.30 is: 388,640.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    507,977.80 : 701,010.35 = 281,623.30 : x
  2. Step 2: Convert to fraction form
    507,977.80/701,010.35 = 281,623.30/x
  3. Step 3: Cross multiply
    507,977.80x = 701,010.35 × 281,623.30
  4. Step 4: Simplify right side
    507,977.80x = 197,420,845,996.60
  5. Step 5: Solve for x
    x = 197,420,845,996.60/507,977.80
  6. Step 6: Final answer
    x = 388,640.70

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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.