Home / 879,990.75-1,214,387.24-477,582.75

Finding the Fourth Proportional to 879,990.75, 1,214,387.24 and 477,582.75

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Solution

The fourth proportional to 879,990.75, 1,214,387.24 and 477,582.75 is: 659,064.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    879,990.75 : 1,214,387.24 = 477,582.75 : x
  2. Step 2: Convert to fraction form
    879,990.75/1,214,387.24 = 477,582.75/x
  3. Step 3: Cross multiply
    879,990.75x = 1,214,387.24 × 477,582.75
  4. Step 4: Simplify right side
    879,990.75x = 579,970,395,256.20
  5. Step 5: Solve for x
    x = 579,970,395,256.20/879,990.75
  6. Step 6: Final answer
    x = 659,064.20

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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.