Finding the Fourth Proportional to 808,226.91, 1,115,328.84 and 445,650.66
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Solution
The fourth proportional to 808,226.91, 1,115,328.84 and 445,650.66 is: 614,984.51
Step by Step Solution
- Step 1: Write the proportion equation
808,226.91 : 1,115,328.84 = 445,650.66 : x - Step 2: Convert to fraction form
808,226.91/1,115,328.84 = 445,650.66/x - Step 3: Cross multiply
808,226.91x = 1,115,328.84 × 445,650.66 - Step 4: Simplify right side
808,226.91x = 497,047,033,663.03 - Step 5: Solve for x
x = 497,047,033,663.03/808,226.91 - Step 6: Final answer
x = 614,984.51
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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.