Finding the Fourth Proportional to 875,085.84, 1,312,656.84 and 276,052.56
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Solution
The fourth proportional to 875,085.84, 1,312,656.84 and 276,052.56 is: 414,087.70
Step by Step Solution
- Step 1: Write the proportion equation
875,085.84 : 1,312,656.84 = 276,052.56 : x - Step 2: Convert to fraction form
875,085.84/1,312,656.84 = 276,052.56/x - Step 3: Cross multiply
875,085.84x = 1,312,656.84 × 276,052.56 - Step 4: Simplify right side
875,085.84x = 362,362,281,083.51 - Step 5: Solve for x
x = 362,362,281,083.51/875,085.84 - Step 6: Final answer
x = 414,087.70
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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.