Home / 505,724.20-758,586.30-482,396.20

Finding the Fourth Proportional to 505,724.20, 758,586.30 and 482,396.20

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Solution

The fourth proportional to 505,724.20, 758,586.30 and 482,396.20 is: 723,594.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    505,724.20 : 758,586.30 = 482,396.20 : x
  2. Step 2: Convert to fraction form
    505,724.20/758,586.30 = 482,396.20/x
  3. Step 3: Cross multiply
    505,724.20x = 758,586.30 × 482,396.20
  4. Step 4: Simplify right side
    505,724.20x = 365,939,148,492.06
  5. Step 5: Solve for x
    x = 365,939,148,492.06/505,724.20
  6. Step 6: Final answer
    x = 723,594.30

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Half scale
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Double scale
Find fourth proportional to 505,725.20, 758,587.80 and 482,397.20
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.