Home / 877,055.34-1,315,583.07-212,207.34

Finding the Fourth Proportional to 877,055.34, 1,315,583.07 and 212,207.34

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Solution

The fourth proportional to 877,055.34, 1,315,583.07 and 212,207.34 is: 318,311.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    877,055.34 : 1,315,583.07 = 212,207.34 : x
  2. Step 2: Convert to fraction form
    877,055.34/1,315,583.07 = 212,207.34/x
  3. Step 3: Cross multiply
    877,055.34x = 1,315,583.07 × 212,207.34
  4. Step 4: Simplify right side
    877,055.34x = 279,176,387,971.39
  5. Step 5: Solve for x
    x = 279,176,387,971.39/877,055.34
  6. Step 6: Final answer
    x = 318,311.03

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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.