Finding the Fourth Proportional to 698,908.62, 1,048,364.28 and 193,471.08
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Solution
The fourth proportional to 698,908.62, 1,048,364.28 and 193,471.08 is: 290,206.99
Step by Step Solution
- Step 1: Write the proportion equation
698,908.62 : 1,048,364.28 = 193,471.08 : x - Step 2: Convert to fraction form
698,908.62/1,048,364.28 = 193,471.08/x - Step 3: Cross multiply
698,908.62x = 1,048,364.28 × 193,471.08 - Step 4: Simplify right side
698,908.62x = 202,828,169,485.02 - Step 5: Solve for x
x = 202,828,169,485.02/698,908.62 - Step 6: Final answer
x = 290,206.99
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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.