Finding the Fourth Proportional to 615,405.30, 849,709.37 and 397,742.84
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Solution
The fourth proportional to 615,405.30, 849,709.37 and 397,742.84 is: 549,176.00
Step by Step Solution
- Step 1: Write the proportion equation
615,405.30 : 849,709.37 = 397,742.84 : x - Step 2: Convert to fraction form
615,405.30/849,709.37 = 397,742.84/x - Step 3: Cross multiply
615,405.30x = 849,709.37 × 397,742.84 - Step 4: Simplify right side
615,405.30x = 337,965,817,930.63 - Step 5: Solve for x
x = 337,965,817,930.63/615,405.30 - Step 6: Final answer
x = 549,176.00
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.