Finding the Fourth Proportional to 748,610.84, 1,032,790.02 and 461,632.70
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Solution
The fourth proportional to 748,610.84, 1,032,790.02 and 461,632.70 is: 636,872.48
Step by Step Solution
- Step 1: Write the proportion equation
748,610.84 : 1,032,790.02 = 461,632.70 : x - Step 2: Convert to fraction form
748,610.84/1,032,790.02 = 461,632.70/x - Step 3: Cross multiply
748,610.84x = 1,032,790.02 × 461,632.70 - Step 4: Simplify right side
748,610.84x = 476,769,645,465.65 - Step 5: Solve for x
x = 476,769,645,465.65/748,610.84 - Step 6: Final answer
x = 636,872.48
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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.