Finding the Fourth Proportional to 653,186.84, 979,895.07 and 298,236.74
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Solution
The fourth proportional to 653,186.84, 979,895.07 and 298,236.74 is: 447,407.53
Step by Step Solution
- Step 1: Write the proportion equation
653,186.84 : 979,895.07 = 298,236.74 : x - Step 2: Convert to fraction form
653,186.84/979,895.07 = 298,236.74/x - Step 3: Cross multiply
653,186.84x = 979,895.07 × 298,236.74 - Step 4: Simplify right side
653,186.84x = 292,240,706,319.40 - Step 5: Solve for x
x = 292,240,706,319.40/653,186.84 - Step 6: Final answer
x = 447,407.53
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.