Finding the Fourth Proportional to 628,813.68, 867,876.06 and 370,675.23
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Solution
The fourth proportional to 628,813.68, 867,876.06 and 370,675.23 is: 511,598.54
Step by Step Solution
- Step 1: Write the proportion equation
628,813.68 : 867,876.06 = 370,675.23 : x - Step 2: Convert to fraction form
628,813.68/867,876.06 = 370,675.23/x - Step 3: Cross multiply
628,813.68x = 867,876.06 × 370,675.23 - Step 4: Simplify right side
628,813.68x = 321,700,158,151.99 - Step 5: Solve for x
x = 321,700,158,151.99/628,813.68 - Step 6: Final answer
x = 511,598.54
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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.