Finding the Fourth Proportional to 526,497.84, 726,309.84 and 345,129.84
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Solution
The fourth proportional to 526,497.84, 726,309.84 and 345,129.84 is: 476,110.59
Step by Step Solution
- Step 1: Write the proportion equation
526,497.84 : 726,309.84 = 345,129.84 : x - Step 2: Convert to fraction form
526,497.84/726,309.84 = 345,129.84/x - Step 3: Cross multiply
526,497.84x = 726,309.84 × 345,129.84 - Step 4: Simplify right side
526,497.84x = 250,671,198,869.63 - Step 5: Solve for x
x = 250,671,198,869.63/526,497.84 - Step 6: Final answer
x = 476,110.59
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1.5x scale
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.