Home / 507,204.06-699,962.70-280,849.56

Finding the Fourth Proportional to 507,204.06, 699,962.70 and 280,849.56

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Solution

The fourth proportional to 507,204.06, 699,962.70 and 280,849.56 is: 387,584.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    507,204.06 : 699,962.70 = 280,849.56 : x
  2. Step 2: Convert to fraction form
    507,204.06/699,962.70 = 280,849.56/x
  3. Step 3: Cross multiply
    507,204.06x = 699,962.70 × 280,849.56
  4. Step 4: Simplify right side
    507,204.06x = 196,584,216,311.41
  5. Step 5: Solve for x
    x = 196,584,216,311.41/507,204.06
  6. Step 6: Final answer
    x = 387,584.07

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1.5x scale

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.