Home / 490,769.37-677,254.53-272,975.76

Finding the Fourth Proportional to 490,769.37, 677,254.53 and 272,975.76

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Solution

The fourth proportional to 490,769.37, 677,254.53 and 272,975.76 is: 376,702.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    490,769.37 : 677,254.53 = 272,975.76 : x
  2. Step 2: Convert to fraction form
    490,769.37/677,254.53 = 272,975.76/x
  3. Step 3: Cross multiply
    490,769.37x = 677,254.53 × 272,975.76
  4. Step 4: Simplify right side
    490,769.37x = 184,874,070,040.19
  5. Step 5: Solve for x
    x = 184,874,070,040.19/490,769.37
  6. Step 6: Final answer
    x = 376,702.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.