Finding the Fourth Proportional to 698,711.77, 1,048,117.49 and 186,374.04
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Solution
The fourth proportional to 698,711.77, 1,048,117.49 and 186,374.04 is: 279,574.35
Step by Step Solution
- Step 1: Write the proportion equation
698,711.77 : 1,048,117.49 = 186,374.04 : x - Step 2: Convert to fraction form
698,711.77/1,048,117.49 = 186,374.04/x - Step 3: Cross multiply
698,711.77x = 1,048,117.49 × 186,374.04 - Step 4: Simplify right side
698,711.77x = 195,341,891,005.96 - Step 5: Solve for x
x = 195,341,891,005.96/698,711.77 - Step 6: Final answer
x = 279,574.35
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.