Finding the Fourth Proportional to 805,879.97, 1,112,090.77 and 443,303.62
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Solution
The fourth proportional to 805,879.97, 1,112,090.77 and 443,303.62 is: 611,746.02
Step by Step Solution
- Step 1: Write the proportion equation
805,879.97 : 1,112,090.77 = 443,303.62 : x - Step 2: Convert to fraction form
805,879.97/1,112,090.77 = 443,303.62/x - Step 3: Cross multiply
805,879.97x = 1,112,090.77 × 443,303.62 - Step 4: Simplify right side
805,879.97x = 492,993,864,109.59 - Step 5: Solve for x
x = 492,993,864,109.59/805,879.97 - Step 6: Final answer
x = 611,746.02
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.