Home / 678,835.84-1,018,363.92-229,584.12

Finding the Fourth Proportional to 678,835.84, 1,018,363.92 and 229,584.12

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Solution

The fourth proportional to 678,835.84, 1,018,363.92 and 229,584.12 is: 344,413.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    678,835.84 : 1,018,363.92 = 229,584.12 : x
  2. Step 2: Convert to fraction form
    678,835.84/1,018,363.92 = 229,584.12/x
  3. Step 3: Cross multiply
    678,835.84x = 1,018,363.92 × 229,584.12
  4. Step 4: Simplify right side
    678,835.84x = 233,800,184,412.95
  5. Step 5: Solve for x
    x = 233,800,184,412.95/678,835.84
  6. Step 6: Final answer
    x = 344,413.44

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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.