Finding the Fourth Proportional to 702,929.70, 1,054,394.55 and 323,849.70
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Solution
The fourth proportional to 702,929.70, 1,054,394.55 and 323,849.70 is: 485,774.55
Step by Step Solution
- Step 1: Write the proportion equation
702,929.70 : 1,054,394.55 = 323,849.70 : x - Step 2: Convert to fraction form
702,929.70/1,054,394.55 = 323,849.70/x - Step 3: Cross multiply
702,929.70x = 1,054,394.55 × 323,849.70 - Step 4: Simplify right side
702,929.70x = 341,465,358,699.14 - Step 5: Solve for x
x = 341,465,358,699.14/702,929.70 - Step 6: Final answer
x = 485,774.55
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.