Home / 839,792.20-1,259,688.30-629,840.20

Finding the Fourth Proportional to 839,792.20, 1,259,688.30 and 629,840.20

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Solution

The fourth proportional to 839,792.20, 1,259,688.30 and 629,840.20 is: 944,760.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,792.20 : 1,259,688.30 = 629,840.20 : x
  2. Step 2: Convert to fraction form
    839,792.20/1,259,688.30 = 629,840.20/x
  3. Step 3: Cross multiply
    839,792.20x = 1,259,688.30 × 629,840.20
  4. Step 4: Simplify right side
    839,792.20x = 793,402,330,809.66
  5. Step 5: Solve for x
    x = 793,402,330,809.66/839,792.20
  6. Step 6: Final answer
    x = 944,760.30

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Similar ratio
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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.