Home / 493,644.30-740,466.45-322,402.20

Finding the Fourth Proportional to 493,644.30, 740,466.45 and 322,402.20

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Solution

The fourth proportional to 493,644.30, 740,466.45 and 322,402.20 is: 483,603.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,644.30 : 740,466.45 = 322,402.20 : x
  2. Step 2: Convert to fraction form
    493,644.30/740,466.45 = 322,402.20/x
  3. Step 3: Cross multiply
    493,644.30x = 740,466.45 × 322,402.20
  4. Step 4: Simplify right side
    493,644.30x = 238,728,012,506.19
  5. Step 5: Solve for x
    x = 238,728,012,506.19/493,644.30
  6. Step 6: Final answer
    x = 483,603.30

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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.