Home / 879,222.21-1,318,648.75-247,988.40

Finding the Fourth Proportional to 879,222.21, 1,318,648.75 and 247,988.40

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Solution

The fourth proportional to 879,222.21, 1,318,648.75 and 247,988.40 is: 371,930.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    879,222.21 : 1,318,648.75 = 247,988.40 : x
  2. Step 2: Convert to fraction form
    879,222.21/1,318,648.75 = 247,988.40/x
  3. Step 3: Cross multiply
    879,222.21x = 1,318,648.75 × 247,988.40
  4. Step 4: Simplify right side
    879,222.21x = 327,009,593,674.50
  5. Step 5: Solve for x
    x = 327,009,593,674.50/879,222.21
  6. Step 6: Final answer
    x = 371,930.54

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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.