Home / 692,470.37-1,038,840.20-265,974.86

Finding the Fourth Proportional to 692,470.37, 1,038,840.20 and 265,974.86

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Solution

The fourth proportional to 692,470.37, 1,038,840.20 and 265,974.86 is: 399,014.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    692,470.37 : 1,038,840.20 = 265,974.86 : x
  2. Step 2: Convert to fraction form
    692,470.37/1,038,840.20 = 265,974.86/x
  3. Step 3: Cross multiply
    692,470.37x = 1,038,840.20 × 265,974.86
  4. Step 4: Simplify right side
    692,470.37x = 276,305,370,233.30
  5. Step 5: Solve for x
    x = 276,305,370,233.30/692,470.37
  6. Step 6: Final answer
    x = 399,014.00

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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.