Home / 928,201.80-1,392,303.91-254,289.02

Finding the Fourth Proportional to 928,201.80, 1,392,303.91 and 254,289.02

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Solution

The fourth proportional to 928,201.80, 1,392,303.91 and 254,289.02 is: 381,433.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    928,201.80 : 1,392,303.91 = 254,289.02 : x
  2. Step 2: Convert to fraction form
    928,201.80/1,392,303.91 = 254,289.02/x
  3. Step 3: Cross multiply
    928,201.80x = 1,392,303.91 × 254,289.02
  4. Step 4: Simplify right side
    928,201.80x = 354,047,592,699.59
  5. Step 5: Solve for x
    x = 354,047,592,699.59/928,201.80
  6. Step 6: Final answer
    x = 381,433.86

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1.5x scale

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.