Home / 808,225.20-1,212,337.80-493,297.20

Finding the Fourth Proportional to 808,225.20, 1,212,337.80 and 493,297.20

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Solution

The fourth proportional to 808,225.20, 1,212,337.80 and 493,297.20 is: 739,945.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,225.20 : 1,212,337.80 = 493,297.20 : x
  2. Step 2: Convert to fraction form
    808,225.20/1,212,337.80 = 493,297.20/x
  3. Step 3: Cross multiply
    808,225.20x = 1,212,337.80 × 493,297.20
  4. Step 4: Simplify right side
    808,225.20x = 598,042,842,194.16
  5. Step 5: Solve for x
    x = 598,042,842,194.16/808,225.20
  6. Step 6: Final answer
    x = 739,945.80

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1.5x scale

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.