Finding the Fourth Proportional to 677,390.84, 1,016,114.34 and 277,749.80
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Solution
The fourth proportional to 677,390.84, 1,016,114.34 and 277,749.80 is: 416,636.21
Step by Step Solution
- Step 1: Write the proportion equation
677,390.84 : 1,016,114.34 = 277,749.80 : x - Step 2: Convert to fraction form
677,390.84/1,016,114.34 = 277,749.80/x - Step 3: Cross multiply
677,390.84x = 1,016,114.34 × 277,749.80 - Step 4: Simplify right side
677,390.84x = 282,225,554,712.13 - Step 5: Solve for x
x = 282,225,554,712.13/677,390.84 - Step 6: Final answer
x = 416,636.21
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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.