Finding the Fourth Proportional to 748,538.84, 1,032,690.66 and 461,560.70
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Solution
The fourth proportional to 748,538.84, 1,032,690.66 and 461,560.70 is: 636,773.14
Step by Step Solution
- Step 1: Write the proportion equation
748,538.84 : 1,032,690.66 = 461,560.70 : x - Step 2: Convert to fraction form
748,538.84/1,032,690.66 = 461,560.70/x - Step 3: Cross multiply
748,538.84x = 1,032,690.66 × 461,560.70 - Step 4: Simplify right side
748,538.84x = 476,649,423,913.06 - Step 5: Solve for x
x = 476,649,423,913.06/748,538.84 - Step 6: Final answer
x = 636,773.14
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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.