Finding the Fourth Proportional to 679,227.33, 937,313.94 and 388,829.09
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Solution
The fourth proportional to 679,227.33, 937,313.94 and 388,829.09 is: 536,572.83
Step by Step Solution
- Step 1: Write the proportion equation
679,227.33 : 937,313.94 = 388,829.09 : x - Step 2: Convert to fraction form
679,227.33/937,313.94 = 388,829.09/x - Step 3: Cross multiply
679,227.33x = 937,313.94 × 388,829.09 - Step 4: Simplify right side
679,227.33x = 364,454,930,135.91 - Step 5: Solve for x
x = 364,454,930,135.91/679,227.33 - Step 6: Final answer
x = 536,572.83
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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.