Home / 879,899.85-1,319,784.12-303,466.77

Finding the Fourth Proportional to 879,899.85, 1,319,784.12 and 303,466.77

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Solution

The fourth proportional to 879,899.85, 1,319,784.12 and 303,466.77 is: 455,177.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    879,899.85 : 1,319,784.12 = 303,466.77 : x
  2. Step 2: Convert to fraction form
    879,899.85/1,319,784.12 = 303,466.77/x
  3. Step 3: Cross multiply
    879,899.85x = 1,319,784.12 × 303,466.77
  4. Step 4: Simplify right side
    879,899.85x = 400,510,623,993.69
  5. Step 5: Solve for x
    x = 400,510,623,993.69/879,899.85
  6. Step 6: Final answer
    x = 455,177.51

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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.