Home / 678,834.90-1,018,190.12-229,559.67

Finding the Fourth Proportional to 678,834.90, 1,018,190.12 and 229,559.67

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Solution

The fourth proportional to 678,834.90, 1,018,190.12 and 229,559.67 is: 344,318.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    678,834.90 : 1,018,190.12 = 229,559.67 : x
  2. Step 2: Convert to fraction form
    678,834.90/1,018,190.12 = 229,559.67/x
  3. Step 3: Cross multiply
    678,834.90x = 1,018,190.12 × 229,559.67
  4. Step 4: Simplify right side
    678,834.90x = 233,735,386,796.66
  5. Step 5: Solve for x
    x = 233,735,386,796.66/678,834.90
  6. Step 6: Final answer
    x = 344,318.46

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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.