Finding the Fourth Proportional to 724,390.17, 999,651.02 and 402,091.98
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Solution
The fourth proportional to 724,390.17, 999,651.02 and 402,091.98 is: 554,882.81
Step by Step Solution
- Step 1: Write the proportion equation
724,390.17 : 999,651.02 = 402,091.98 : x - Step 2: Convert to fraction form
724,390.17/999,651.02 = 402,091.98/x - Step 3: Cross multiply
724,390.17x = 999,651.02 × 402,091.98 - Step 4: Simplify right side
724,390.17x = 401,951,655,930.36 - Step 5: Solve for x
x = 401,951,655,930.36/724,390.17 - Step 6: Final answer
x = 554,882.81
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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.