Home / 860,195.52-1,290,448.41-354,475.00

Finding the Fourth Proportional to 860,195.52, 1,290,448.41 and 354,475.00

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Solution

The fourth proportional to 860,195.52, 1,290,448.41 and 354,475.00 is: 531,776.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    860,195.52 : 1,290,448.41 = 354,475.00 : x
  2. Step 2: Convert to fraction form
    860,195.52/1,290,448.41 = 354,475.00/x
  3. Step 3: Cross multiply
    860,195.52x = 1,290,448.41 × 354,475.00
  4. Step 4: Simplify right side
    860,195.52x = 457,431,704,247.06
  5. Step 5: Solve for x
    x = 457,431,704,247.06/860,195.52
  6. Step 6: Final answer
    x = 531,776.43

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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.