Finding the Fourth Proportional to 725,870.53, 1,086,676.62 and 508,977.19
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Solution
The fourth proportional to 725,870.53, 1,086,676.62 and 508,977.19 is: 761,972.82
Step by Step Solution
- Step 1: Write the proportion equation
725,870.53 : 1,086,676.62 = 508,977.19 : x - Step 2: Convert to fraction form
725,870.53/1,086,676.62 = 508,977.19/x - Step 3: Cross multiply
725,870.53x = 1,086,676.62 × 508,977.19 - Step 4: Simplify right side
725,870.53x = 553,093,612,486.30 - Step 5: Solve for x
x = 553,093,612,486.30/725,870.53 - Step 6: Final answer
x = 761,972.82
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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.