Home / 808,529.70-1,212,794.55-275,970.90

Finding the Fourth Proportional to 808,529.70, 1,212,794.55 and 275,970.90

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Solution

The fourth proportional to 808,529.70, 1,212,794.55 and 275,970.90 is: 413,956.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,529.70 : 1,212,794.55 = 275,970.90 : x
  2. Step 2: Convert to fraction form
    808,529.70/1,212,794.55 = 275,970.90/x
  3. Step 3: Cross multiply
    808,529.70x = 1,212,794.55 × 275,970.90
  4. Step 4: Simplify right side
    808,529.70x = 334,696,003,478.60
  5. Step 5: Solve for x
    x = 334,696,003,478.60/808,529.70
  6. Step 6: Final answer
    x = 413,956.35

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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.