Home / 685,994.88-1,029,343.20-326,571.84

Finding the Fourth Proportional to 685,994.88, 1,029,343.20 and 326,571.84

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Solution

The fourth proportional to 685,994.88, 1,029,343.20 and 326,571.84 is: 490,024.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    685,994.88 : 1,029,343.20 = 326,571.84 : x
  2. Step 2: Convert to fraction form
    685,994.88/1,029,343.20 = 326,571.84/x
  3. Step 3: Cross multiply
    685,994.88x = 1,029,343.20 × 326,571.84
  4. Step 4: Simplify right side
    685,994.88x = 336,154,502,815.49
  5. Step 5: Solve for x
    x = 336,154,502,815.49/685,994.88
  6. Step 6: Final answer
    x = 490,024.80

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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.