Finding the Fourth Proportional to 628,283.15, 867,003.42 and 348,862.95
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Solution
The fourth proportional to 628,283.15, 867,003.42 and 348,862.95 is: 481,415.70
Step by Step Solution
- Step 1: Write the proportion equation
628,283.15 : 867,003.42 = 348,862.95 : x - Step 2: Convert to fraction form
628,283.15/867,003.42 = 348,862.95/x - Step 3: Cross multiply
628,283.15x = 867,003.42 × 348,862.95 - Step 4: Simplify right side
628,283.15x = 302,465,370,761.29 - Step 5: Solve for x
x = 302,465,370,761.29/628,283.15 - Step 6: Final answer
x = 481,415.70
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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.