Finding the Fourth Proportional to 628,812.18, 867,873.98 and 370,673.74
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Solution
The fourth proportional to 628,812.18, 867,873.98 and 370,673.74 is: 511,596.47
Step by Step Solution
- Step 1: Write the proportion equation
628,812.18 : 867,873.98 = 370,673.74 : x - Step 2: Convert to fraction form
628,812.18/867,873.98 = 370,673.74/x - Step 3: Cross multiply
628,812.18x = 867,873.98 × 370,673.74 - Step 4: Simplify right side
628,812.18x = 321,698,092,772.29 - Step 5: Solve for x
x = 321,698,092,772.29/628,812.18 - Step 6: Final answer
x = 511,596.47
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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.