Finding the Fourth Proportional to 771,719.62, 1,157,623.17 and 239,316.34
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Solution
The fourth proportional to 771,719.62, 1,157,623.17 and 239,316.34 is: 358,988.07
Step by Step Solution
- Step 1: Write the proportion equation
771,719.62 : 1,157,623.17 = 239,316.34 : x - Step 2: Convert to fraction form
771,719.62/1,157,623.17 = 239,316.34/x - Step 3: Cross multiply
771,719.62x = 1,157,623.17 × 239,316.34 - Step 4: Simplify right side
771,719.62x = 277,038,138,397.42 - Step 5: Solve for x
x = 277,038,138,397.42/771,719.62 - Step 6: Final answer
x = 358,988.07
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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.