Finding the Fourth Proportional to 782,058.04, 1,079,262.84 and 442,519
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Solution
The fourth proportional to 782,058.04, 1,079,262.84 and 442,519 is: 610,689.09
Step by Step Solution
- Step 1: Write the proportion equation
782,058.04 : 1,079,262.84 = 442,519 : x - Step 2: Convert to fraction form
782,058.04/1,079,262.84 = 442,519/x - Step 3: Cross multiply
782,058.04x = 1,079,262.84 × 442,519 - Step 4: Simplify right side
782,058.04x = 477,594,312,693.96 - Step 5: Solve for x
x = 477,594,312,693.96/782,058.04 - Step 6: Final answer
x = 610,689.09
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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.