Finding the Fourth Proportional to 950,436.95, 1,311,639.14 and 542,605.19
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Solution
The fourth proportional to 950,436.95, 1,311,639.14 and 542,605.19 is: 748,815.80
Step by Step Solution
- Step 1: Write the proportion equation
950,436.95 : 1,311,639.14 = 542,605.19 : x - Step 2: Convert to fraction form
950,436.95/1,311,639.14 = 542,605.19/x - Step 3: Cross multiply
950,436.95x = 1,311,639.14 × 542,605.19 - Step 4: Simplify right side
950,436.95x = 711,702,199,569.45 - Step 5: Solve for x
x = 711,702,199,569.45/950,436.95 - Step 6: Final answer
x = 748,815.80
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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.