Home / 498,736.02-688,260.10-283,889.91

Finding the Fourth Proportional to 498,736.02, 688,260.10 and 283,889.91

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Solution

The fourth proportional to 498,736.02, 688,260.10 and 283,889.91 is: 391,770.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    498,736.02 : 688,260.10 = 283,889.91 : x
  2. Step 2: Convert to fraction form
    498,736.02/688,260.10 = 283,889.91/x
  3. Step 3: Cross multiply
    498,736.02x = 688,260.10 × 283,889.91
  4. Step 4: Simplify right side
    498,736.02x = 195,390,097,845.59
  5. Step 5: Solve for x
    x = 195,390,097,845.59/498,736.02
  6. Step 6: Final answer
    x = 391,770.58

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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.