Home / 383,439.01-529,651.23-286,474.35

Finding the Fourth Proportional to 383,439.01, 529,651.23 and 286,474.35

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Solution

The fourth proportional to 383,439.01, 529,651.23 and 286,474.35 is: 395,712.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,439.01 : 529,651.23 = 286,474.35 : x
  2. Step 2: Convert to fraction form
    383,439.01/529,651.23 = 286,474.35/x
  3. Step 3: Cross multiply
    383,439.01x = 529,651.23 × 286,474.35
  4. Step 4: Simplify right side
    383,439.01x = 151,731,491,840.95
  5. Step 5: Solve for x
    x = 151,731,491,840.95/383,439.01
  6. Step 6: Final answer
    x = 395,712.20

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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.