Finding the Fourth Proportional to 551,867.00, 761,405.30 and 322,258.65
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Solution
The fourth proportional to 551,867.00, 761,405.30 and 322,258.65 is: 444,616.99
Step by Step Solution
- Step 1: Write the proportion equation
551,867.00 : 761,405.30 = 322,258.65 : x - Step 2: Convert to fraction form
551,867.00/761,405.30 = 322,258.65/x - Step 3: Cross multiply
551,867.00x = 761,405.30 × 322,258.65 - Step 4: Simplify right side
551,867.00x = 245,369,442,469.55 - Step 5: Solve for x
x = 245,369,442,469.55/551,867.00 - Step 6: Final answer
x = 444,616.99
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.