Finding the Fourth Proportional to 805,146.92, 1,111,090.28 and 442,562.99
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Solution
The fourth proportional to 805,146.92, 1,111,090.28 and 442,562.99 is: 610,730.07
Step by Step Solution
- Step 1: Write the proportion equation
805,146.92 : 1,111,090.28 = 442,562.99 : x - Step 2: Convert to fraction form
805,146.92/1,111,090.28 = 442,562.99/x - Step 3: Cross multiply
805,146.92x = 1,111,090.28 × 442,562.99 - Step 4: Simplify right side
805,146.92x = 491,727,437,447.77 - Step 5: Solve for x
x = 491,727,437,447.77/805,146.92 - Step 6: Final answer
x = 610,730.07
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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.