Finding the Fourth Proportional to 728,126.22, 1,092,681.18 and 254,815.68
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Solution
The fourth proportional to 728,126.22, 1,092,681.18 and 254,815.68 is: 382,395.65
Step by Step Solution
- Step 1: Write the proportion equation
728,126.22 : 1,092,681.18 = 254,815.68 : x - Step 2: Convert to fraction form
728,126.22/1,092,681.18 = 254,815.68/x - Step 3: Cross multiply
728,126.22x = 1,092,681.18 × 254,815.68 - Step 4: Simplify right side
728,126.22x = 278,432,297,904.90 - Step 5: Solve for x
x = 278,432,297,904.90/728,126.22 - Step 6: Final answer
x = 382,395.65
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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.