Finding the Fourth Proportional to 691,036.84, 1,036,638.33 and 653,245.48
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Solution
The fourth proportional to 691,036.84, 1,036,638.33 and 653,245.48 is: 979,946.75
Step by Step Solution
- Step 1: Write the proportion equation
691,036.84 : 1,036,638.33 = 653,245.48 : x - Step 2: Convert to fraction form
691,036.84/1,036,638.33 = 653,245.48/x - Step 3: Cross multiply
691,036.84x = 1,036,638.33 × 653,245.48 - Step 4: Simplify right side
691,036.84x = 677,179,303,467.25 - Step 5: Solve for x
x = 677,179,303,467.25/691,036.84 - Step 6: Final answer
x = 979,946.75
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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.