Home / 879,986.52-1,320,609.29-374,901.30

Finding the Fourth Proportional to 879,986.52, 1,320,609.29 and 374,901.30

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Solution

The fourth proportional to 879,986.52, 1,320,609.29 and 374,901.30 is: 562,620.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    879,986.52 : 1,320,609.29 = 374,901.30 : x
  2. Step 2: Convert to fraction form
    879,986.52/1,320,609.29 = 374,901.30/x
  3. Step 3: Cross multiply
    879,986.52x = 1,320,609.29 × 374,901.30
  4. Step 4: Simplify right side
    879,986.52x = 495,098,137,738.57
  5. Step 5: Solve for x
    x = 495,098,137,738.57/879,986.52
  6. Step 6: Final answer
    x = 562,620.14

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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.