Finding the Fourth Proportional to 708,990.24, 1,063,691.28 and 229,207.80
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Solution
The fourth proportional to 708,990.24, 1,063,691.28 and 229,207.80 is: 343,878.27
Step by Step Solution
- Step 1: Write the proportion equation
708,990.24 : 1,063,691.28 = 229,207.80 : x - Step 2: Convert to fraction form
708,990.24/1,063,691.28 = 229,207.80/x - Step 3: Cross multiply
708,990.24x = 1,063,691.28 × 229,207.80 - Step 4: Simplify right side
708,990.24x = 243,806,338,167.98 - Step 5: Solve for x
x = 243,806,338,167.98/708,990.24 - Step 6: Final answer
x = 343,878.27
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.