Finding the Fourth Proportional to 704,447.67, 972,137.70 and 402,699.99
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Solution
The fourth proportional to 704,447.67, 972,137.70 and 402,699.99 is: 555,725.94
Step by Step Solution
- Step 1: Write the proportion equation
704,447.67 : 972,137.70 = 402,699.99 : x - Step 2: Convert to fraction form
704,447.67/972,137.70 = 402,699.99/x - Step 3: Cross multiply
704,447.67x = 972,137.70 × 402,699.99 - Step 4: Simplify right side
704,447.67x = 391,479,842,068.62 - Step 5: Solve for x
x = 391,479,842,068.62/704,447.67 - Step 6: Final answer
x = 555,725.94
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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.