Finding the Fourth Proportional to 628,322.81, 867,095.89 and 341,844.44
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Solution
The fourth proportional to 628,322.81, 867,095.89 and 341,844.44 is: 471,750.99
Step by Step Solution
- Step 1: Write the proportion equation
628,322.81 : 867,095.89 = 341,844.44 : x - Step 2: Convert to fraction form
628,322.81/867,095.89 = 341,844.44/x - Step 3: Cross multiply
628,322.81x = 867,095.89 × 341,844.44 - Step 4: Simplify right side
628,322.81x = 296,411,903,753.26 - Step 5: Solve for x
x = 296,411,903,753.26/628,322.81 - Step 6: Final answer
x = 471,750.99
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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.