Home / 446,362.40-669,580.02-209,575.92

Finding the Fourth Proportional to 446,362.40, 669,580.02 and 209,575.92

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Solution

The fourth proportional to 446,362.40, 669,580.02 and 209,575.92 is: 314,380.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,362.40 : 669,580.02 = 209,575.92 : x
  2. Step 2: Convert to fraction form
    446,362.40/669,580.02 = 209,575.92/x
  3. Step 3: Cross multiply
    446,362.40x = 669,580.02 × 209,575.92
  4. Step 4: Simplify right side
    446,362.40x = 140,327,848,705.12
  5. Step 5: Solve for x
    x = 140,327,848,705.12/446,362.40
  6. Step 6: Final answer
    x = 314,380.98

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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.