Finding the Fourth Proportional to 571,402.50, 788,544.33 and 313,302.96
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Solution
The fourth proportional to 571,402.50, 788,544.33 and 313,302.96 is: 432,362.95
Step by Step Solution
- Step 1: Write the proportion equation
571,402.50 : 788,544.33 = 313,302.96 : x - Step 2: Convert to fraction form
571,402.50/788,544.33 = 313,302.96/x - Step 3: Cross multiply
571,402.50x = 788,544.33 × 313,302.96 - Step 4: Simplify right side
571,402.50x = 247,053,272,680.22 - Step 5: Solve for x
x = 247,053,272,680.22/571,402.50 - Step 6: Final answer
x = 432,362.95
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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.