Finding the Fourth Proportional to 581,338.07, 802,465.74 and 339,699.18
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Solution
The fourth proportional to 581,338.07, 802,465.74 and 339,699.18 is: 468,912.96
Step by Step Solution
- Step 1: Write the proportion equation
581,338.07 : 802,465.74 = 339,699.18 : x - Step 2: Convert to fraction form
581,338.07/802,465.74 = 339,699.18/x - Step 3: Cross multiply
581,338.07x = 802,465.74 × 339,699.18 - Step 4: Simplify right side
581,338.07x = 272,596,953,856.09 - Step 5: Solve for x
x = 272,596,953,856.09/581,338.07 - Step 6: Final answer
x = 468,912.96
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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.