Home / 879,991.50-1,214,388.27-477,583.50

Finding the Fourth Proportional to 879,991.50, 1,214,388.27 and 477,583.50

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Solution

The fourth proportional to 879,991.50, 1,214,388.27 and 477,583.50 is: 659,065.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    879,991.50 : 1,214,388.27 = 477,583.50 : x
  2. Step 2: Convert to fraction form
    879,991.50/1,214,388.27 = 477,583.50/x
  3. Step 3: Cross multiply
    879,991.50x = 1,214,388.27 × 477,583.50
  4. Step 4: Simplify right side
    879,991.50x = 579,971,800,345.55
  5. Step 5: Solve for x
    x = 579,971,800,345.55/879,991.50
  6. Step 6: Final answer
    x = 659,065.23

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.