Home / 684,692.18-1,027,131.66-285,239.46

Finding the Fourth Proportional to 684,692.18, 1,027,131.66 and 285,239.46

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Solution

The fourth proportional to 684,692.18, 1,027,131.66 and 285,239.46 is: 427,898.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    684,692.18 : 1,027,131.66 = 285,239.46 : x
  2. Step 2: Convert to fraction form
    684,692.18/1,027,131.66 = 285,239.46/x
  3. Step 3: Cross multiply
    684,692.18x = 1,027,131.66 × 285,239.46
  4. Step 4: Simplify right side
    684,692.18x = 292,978,480,047.30
  5. Step 5: Solve for x
    x = 292,978,480,047.30/684,692.18
  6. Step 6: Final answer
    x = 427,898.10

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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.