Home / 398,554.02-597,960.12-238,604.94

Finding the Fourth Proportional to 398,554.02, 597,960.12 and 238,604.94

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Solution

The fourth proportional to 398,554.02, 597,960.12 and 238,604.94 is: 357,984.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    398,554.02 : 597,960.12 = 238,604.94 : x
  2. Step 2: Convert to fraction form
    398,554.02/597,960.12 = 238,604.94/x
  3. Step 3: Cross multiply
    398,554.02x = 597,960.12 × 238,604.94
  4. Step 4: Simplify right side
    398,554.02x = 142,676,238,554.99
  5. Step 5: Solve for x
    x = 142,676,238,554.99/398,554.02
  6. Step 6: Final answer
    x = 357,984.69

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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.