Finding the Fourth Proportional to 1,763,705.21, 2,645,274.40 and 484,013.75
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Solution
The fourth proportional to 1,763,705.21, 2,645,274.40 and 484,013.75 is: 725,942.84
Step by Step Solution
- Step 1: Write the proportion equation
1,763,705.21 : 2,645,274.40 = 484,013.75 : x - Step 2: Convert to fraction form
1,763,705.21/2,645,274.40 = 484,013.75/x - Step 3: Cross multiply
1,763,705.21x = 2,645,274.40 × 484,013.75 - Step 4: Simplify right side
1,763,705.21x = 1,280,349,167,686.59 - Step 5: Solve for x
x = 1,280,349,167,686.59/1,763,705.21 - Step 6: Final answer
x = 725,942.84
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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.