Finding the Fourth Proportional to 571,812.08, 788,584.12 and 356,971.92
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Solution
The fourth proportional to 571,812.08, 788,584.12 and 356,971.92 is: 492,298.78
Step by Step Solution
- Step 1: Write the proportion equation
571,812.08 : 788,584.12 = 356,971.92 : x - Step 2: Convert to fraction form
571,812.08/788,584.12 = 356,971.92/x - Step 3: Cross multiply
571,812.08x = 788,584.12 × 356,971.92 - Step 4: Simplify right side
571,812.08x = 281,502,387,397.91 - Step 5: Solve for x
x = 281,502,387,397.91/571,812.08 - Step 6: Final answer
x = 492,298.78
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.