Finding the Fourth Proportional to 551,098.62, 760,560.03 and 309,397.05
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Solution
The fourth proportional to 551,098.62, 760,560.03 and 309,397.05 is: 426,992.59
Step by Step Solution
- Step 1: Write the proportion equation
551,098.62 : 760,560.03 = 309,397.05 : x - Step 2: Convert to fraction form
551,098.62/760,560.03 = 309,397.05/x - Step 3: Cross multiply
551,098.62x = 760,560.03 × 309,397.05 - Step 4: Simplify right side
551,098.62x = 235,315,029,629.91 - Step 5: Solve for x
x = 235,315,029,629.91/551,098.62 - Step 6: Final answer
x = 426,992.59
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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.