Finding the Fourth Proportional to 571,248.68, 788,292.81 and 329,516.82
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Solution
The fourth proportional to 571,248.68, 788,292.81 and 329,516.82 is: 454,715.70
Step by Step Solution
- Step 1: Write the proportion equation
571,248.68 : 788,292.81 = 329,516.82 : x - Step 2: Convert to fraction form
571,248.68/788,292.81 = 329,516.82/x - Step 3: Cross multiply
571,248.68x = 788,292.81 × 329,516.82 - Step 4: Simplify right side
571,248.68x = 259,755,739,980.06 - Step 5: Solve for x
x = 259,755,739,980.06/571,248.68 - Step 6: Final answer
x = 454,715.70
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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.