Home / 808,257.60-1,212,271.20-275,803.20

Finding the Fourth Proportional to 808,257.60, 1,212,271.20 and 275,803.20

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Solution

The fourth proportional to 808,257.60, 1,212,271.20 and 275,803.20 is: 413,665.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,257.60 : 1,212,271.20 = 275,803.20 : x
  2. Step 2: Convert to fraction form
    808,257.60/1,212,271.20 = 275,803.20/x
  3. Step 3: Cross multiply
    808,257.60x = 1,212,271.20 × 275,803.20
  4. Step 4: Simplify right side
    808,257.60x = 334,348,276,227.84
  5. Step 5: Solve for x
    x = 334,348,276,227.84/808,257.60
  6. Step 6: Final answer
    x = 413,665.49

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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.