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Finding the Fourth Proportional to 446,903.70, 670,355.55 and 397,914.90

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Solution

The fourth proportional to 446,903.70, 670,355.55 and 397,914.90 is: 596,872.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,903.70 : 670,355.55 = 397,914.90 : x
  2. Step 2: Convert to fraction form
    446,903.70/670,355.55 = 397,914.90/x
  3. Step 3: Cross multiply
    446,903.70x = 670,355.55 × 397,914.90
  4. Step 4: Simplify right side
    446,903.70x = 266,744,461,642.70
  5. Step 5: Solve for x
    x = 266,744,461,642.70/446,903.70
  6. Step 6: Final answer
    x = 596,872.35

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Similar ratio
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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.