Finding the Fourth Proportional to 729,943.58, 1,007,175.96 and 407,604.08
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Solution
The fourth proportional to 729,943.58, 1,007,175.96 and 407,604.08 is: 562,412.00
Step by Step Solution
- Step 1: Write the proportion equation
729,943.58 : 1,007,175.96 = 407,604.08 : x - Step 2: Convert to fraction form
729,943.58/1,007,175.96 = 407,604.08/x - Step 3: Cross multiply
729,943.58x = 1,007,175.96 × 407,604.08 - Step 4: Simplify right side
729,943.58x = 410,529,033,091.86 - Step 5: Solve for x
x = 410,529,033,091.86/729,943.58 - Step 6: Final answer
x = 562,412.00
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.