Finding the Fourth Proportional to 744,178.91, 1,115,613 and 295,215.08
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Solution
The fourth proportional to 744,178.91, 1,115,613 and 295,215.08 is: 442,562.63
Step by Step Solution
- Step 1: Write the proportion equation
744,178.91 : 1,115,613 = 295,215.08 : x - Step 2: Convert to fraction form
744,178.91/1,115,613 = 295,215.08/x - Step 3: Cross multiply
744,178.91x = 1,115,613 × 295,215.08 - Step 4: Simplify right side
744,178.91x = 329,345,775,465.98 - Step 5: Solve for x
x = 329,345,775,465.98/744,178.91 - Step 6: Final answer
x = 442,562.63
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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.