Finding the Fourth Proportional to 805,047.98, 1,110,973.12 and 442,480.26
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Solution
The fourth proportional to 805,047.98, 1,110,973.12 and 442,480.26 is: 610,626.56
Step by Step Solution
- Step 1: Write the proportion equation
805,047.98 : 1,110,973.12 = 442,480.26 : x - Step 2: Convert to fraction form
805,047.98/1,110,973.12 = 442,480.26/x - Step 3: Cross multiply
805,047.98x = 1,110,973.12 × 442,480.26 - Step 4: Simplify right side
805,047.98x = 491,583,678,050.56 - Step 5: Solve for x
x = 491,583,678,050.56/805,047.98 - Step 6: Final answer
x = 610,626.56
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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.