Finding the Fourth Proportional to 990,629.49, 1,367,102.51 and 555,065.06
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Solution
The fourth proportional to 990,629.49, 1,367,102.51 and 555,065.06 is: 766,008.72
Step by Step Solution
- Step 1: Write the proportion equation
990,629.49 : 1,367,102.51 = 555,065.06 : x - Step 2: Convert to fraction form
990,629.49/1,367,102.51 = 555,065.06/x - Step 3: Cross multiply
990,629.49x = 1,367,102.51 × 555,065.06 - Step 4: Simplify right side
990,629.49x = 758,830,829,209.96 - Step 5: Solve for x
x = 758,830,829,209.96/990,629.49 - Step 6: Final answer
x = 766,008.72
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.