Finding the Fourth Proportional to 746,283.06, 1,032,830.43 and 728,374.62
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Solution
The fourth proportional to 746,283.06, 1,032,830.43 and 728,374.62 is: 1,008,045.76
Step by Step Solution
- Step 1: Write the proportion equation
746,283.06 : 1,032,830.43 = 728,374.62 : x - Step 2: Convert to fraction form
746,283.06/1,032,830.43 = 728,374.62/x - Step 3: Cross multiply
746,283.06x = 1,032,830.43 × 728,374.62 - Step 4: Simplify right side
746,283.06x = 752,287,471,975.69 - Step 5: Solve for x
x = 752,287,471,975.69/746,283.06 - Step 6: Final answer
x = 1,008,045.76
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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.