Home / 446,912.20-670,368.30-397,923.40

Finding the Fourth Proportional to 446,912.20, 670,368.30 and 397,923.40

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Solution

The fourth proportional to 446,912.20, 670,368.30 and 397,923.40 is: 596,885.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,912.20 : 670,368.30 = 397,923.40 : x
  2. Step 2: Convert to fraction form
    446,912.20/670,368.30 = 397,923.40/x
  3. Step 3: Cross multiply
    446,912.20x = 670,368.30 × 397,923.40
  4. Step 4: Simplify right side
    446,912.20x = 266,755,233,188.22
  5. Step 5: Solve for x
    x = 266,755,233,188.22/446,912.20
  6. Step 6: Final answer
    x = 596,885.10

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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.