Finding the Fourth Proportional to 498,706.62, 688,006.35 and 304,967.58
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Solution
The fourth proportional to 498,706.62, 688,006.35 and 304,967.58 is: 420,727.58
Step by Step Solution
- Step 1: Write the proportion equation
498,706.62 : 688,006.35 = 304,967.58 : x - Step 2: Convert to fraction form
498,706.62/688,006.35 = 304,967.58/x - Step 3: Cross multiply
498,706.62x = 688,006.35 × 304,967.58 - Step 4: Simplify right side
498,706.62x = 209,819,631,584.13 - Step 5: Solve for x
x = 209,819,631,584.13/498,706.62 - Step 6: Final answer
x = 420,727.58
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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.