Home / 877,052.88-1,315,579.37-212,204.88

Finding the Fourth Proportional to 877,052.88, 1,315,579.37 and 212,204.88

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Solution

The fourth proportional to 877,052.88, 1,315,579.37 and 212,204.88 is: 318,307.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    877,052.88 : 1,315,579.37 = 212,204.88 : x
  2. Step 2: Convert to fraction form
    877,052.88/1,315,579.37 = 212,204.88/x
  3. Step 3: Cross multiply
    877,052.88x = 1,315,579.37 × 212,204.88
  4. Step 4: Simplify right side
    877,052.88x = 279,172,362,341.33
  5. Step 5: Solve for x
    x = 279,172,362,341.33/877,052.88
  6. Step 6: Final answer
    x = 318,307.33

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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.