Finding the Fourth Proportional to 888,821.53, 1,226,572.90 and 501,718.44
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Solution
The fourth proportional to 888,821.53, 1,226,572.90 and 501,718.44 is: 692,370.99
Step by Step Solution
- Step 1: Write the proportion equation
888,821.53 : 1,226,572.90 = 501,718.44 : x - Step 2: Convert to fraction form
888,821.53/1,226,572.90 = 501,718.44/x - Step 3: Cross multiply
888,821.53x = 1,226,572.90 × 501,718.44 - Step 4: Simplify right side
888,821.53x = 615,394,241,934.28 - Step 5: Solve for x
x = 615,394,241,934.28/888,821.53 - Step 6: Final answer
x = 692,370.99
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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.