Home / 529,739.94-731,037.41-288,022.58

Finding the Fourth Proportional to 529,739.94, 731,037.41 and 288,022.58

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Solution

The fourth proportional to 529,739.94, 731,037.41 and 288,022.58 is: 397,469.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    529,739.94 : 731,037.41 = 288,022.58 : x
  2. Step 2: Convert to fraction form
    529,739.94/731,037.41 = 288,022.58/x
  3. Step 3: Cross multiply
    529,739.94x = 731,037.41 × 288,022.58
  4. Step 4: Simplify right side
    529,739.94x = 210,555,280,904.72
  5. Step 5: Solve for x
    x = 210,555,280,904.72/529,739.94
  6. Step 6: Final answer
    x = 397,469.14

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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.