Finding the Fourth Proportional to 542,959.88, 749,304.66 and 328,058.42
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Solution
The fourth proportional to 542,959.88, 749,304.66 and 328,058.42 is: 452,732.72
Step by Step Solution
- Step 1: Write the proportion equation
542,959.88 : 749,304.66 = 328,058.42 : x - Step 2: Convert to fraction form
542,959.88/749,304.66 = 328,058.42/x - Step 3: Cross multiply
542,959.88x = 749,304.66 × 328,058.42 - Step 4: Simplify right side
542,959.88x = 245,815,699,111.71 - Step 5: Solve for x
x = 245,815,699,111.71/542,959.88 - Step 6: Final answer
x = 452,732.72
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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.