Finding the Fourth Proportional to 865,029.44, 1,193,326.40 and 542,578.08
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Solution
The fourth proportional to 865,029.44, 1,193,326.40 and 542,578.08 is: 748,497.93
Step by Step Solution
- Step 1: Write the proportion equation
865,029.44 : 1,193,326.40 = 542,578.08 : x - Step 2: Convert to fraction form
865,029.44/1,193,326.40 = 542,578.08/x - Step 3: Cross multiply
865,029.44x = 1,193,326.40 × 542,578.08 - Step 4: Simplify right side
865,029.44x = 647,472,746,925.31 - Step 5: Solve for x
x = 647,472,746,925.31/865,029.44 - Step 6: Final answer
x = 748,497.93
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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.