Finding the Fourth Proportional to 785,706.06, 1,084,245.68 and 480,293.94
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Solution
The fourth proportional to 785,706.06, 1,084,245.68 and 480,293.94 is: 662,788.10
Step by Step Solution
- Step 1: Write the proportion equation
785,706.06 : 1,084,245.68 = 480,293.94 : x - Step 2: Convert to fraction form
785,706.06/1,084,245.68 = 480,293.94/x - Step 3: Cross multiply
785,706.06x = 1,084,245.68 × 480,293.94 - Step 4: Simplify right side
785,706.06x = 520,756,629,575.18 - Step 5: Solve for x
x = 520,756,629,575.18/785,706.06 - Step 6: Final answer
x = 662,788.10
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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.