Home / 808,035.26-1,212,409.94-423,692.34

Finding the Fourth Proportional to 808,035.26, 1,212,409.94 and 423,692.34

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Solution

The fourth proportional to 808,035.26, 1,212,409.94 and 423,692.34 is: 635,725.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,035.26 : 1,212,409.94 = 423,692.34 : x
  2. Step 2: Convert to fraction form
    808,035.26/1,212,409.94 = 423,692.34/x
  3. Step 3: Cross multiply
    808,035.26x = 1,212,409.94 × 423,692.34
  4. Step 4: Simplify right side
    808,035.26x = 513,688,796,337.35
  5. Step 5: Solve for x
    x = 513,688,796,337.35/808,035.26
  6. Step 6: Final answer
    x = 635,725.72

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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.