Home / 758,984.67-1,138,475.88-198,019.17

Finding the Fourth Proportional to 758,984.67, 1,138,475.88 and 198,019.17

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Solution

The fourth proportional to 758,984.67, 1,138,475.88 and 198,019.17 is: 297,028.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    758,984.67 : 1,138,475.88 = 198,019.17 : x
  2. Step 2: Convert to fraction form
    758,984.67/1,138,475.88 = 198,019.17/x
  3. Step 3: Cross multiply
    758,984.67x = 1,138,475.88 × 198,019.17
  4. Step 4: Simplify right side
    758,984.67x = 225,440,048,822.62
  5. Step 5: Solve for x
    x = 225,440,048,822.62/758,984.67
  6. Step 6: Final answer
    x = 297,028.46

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1.5x scale

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.