Finding the Fourth Proportional to 571,666.46, 788,913.59 and 313,553.99
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Solution
The fourth proportional to 571,666.46, 788,913.59 and 313,553.99 is: 432,712.11
Step by Step Solution
- Step 1: Write the proportion equation
571,666.46 : 788,913.59 = 313,553.99 : x - Step 2: Convert to fraction form
571,666.46/788,913.59 = 313,553.99/x - Step 3: Cross multiply
571,666.46x = 788,913.59 × 313,553.99 - Step 4: Simplify right side
571,666.46x = 247,366,998,397.39 - Step 5: Solve for x
x = 247,366,998,397.39/571,666.46 - Step 6: Final answer
x = 432,712.11
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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.