Home / 480,622.20-720,933.30-401,890.20

Finding the Fourth Proportional to 480,622.20, 720,933.30 and 401,890.20

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Solution

The fourth proportional to 480,622.20, 720,933.30 and 401,890.20 is: 602,835.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,622.20 : 720,933.30 = 401,890.20 : x
  2. Step 2: Convert to fraction form
    480,622.20/720,933.30 = 401,890.20/x
  3. Step 3: Cross multiply
    480,622.20x = 720,933.30 × 401,890.20
  4. Step 4: Simplify right side
    480,622.20x = 289,736,028,123.66
  5. Step 5: Solve for x
    x = 289,736,028,123.66/480,622.20
  6. Step 6: Final answer
    x = 602,835.30

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Similar ratio
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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.