Home / 685,232.10-1,029,014.55-507,939.30

Finding the Fourth Proportional to 685,232.10, 1,029,014.55 and 507,939.30

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Solution

The fourth proportional to 685,232.10, 1,029,014.55 and 507,939.30 is: 762,773.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    685,232.10 : 1,029,014.55 = 507,939.30 : x
  2. Step 2: Convert to fraction form
    685,232.10/1,029,014.55 = 507,939.30/x
  3. Step 3: Cross multiply
    685,232.10x = 1,029,014.55 × 507,939.30
  4. Step 4: Simplify right side
    685,232.10x = 522,676,930,216.82
  5. Step 5: Solve for x
    x = 522,676,930,216.82/685,232.10
  6. Step 6: Final answer
    x = 762,773.56

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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.