Finding the Fourth Proportional to 899,670.08, 1,241,545.92 and 517,689.20
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Solution
The fourth proportional to 899,670.08, 1,241,545.92 and 517,689.20 is: 714,411.79
Step by Step Solution
- Step 1: Write the proportion equation
899,670.08 : 1,241,545.92 = 517,689.20 : x - Step 2: Convert to fraction form
899,670.08/1,241,545.92 = 517,689.20/x - Step 3: Cross multiply
899,670.08x = 1,241,545.92 × 517,689.20 - Step 4: Simplify right side
899,670.08x = 642,734,914,088.06 - Step 5: Solve for x
x = 642,734,914,088.06/899,670.08 - Step 6: Final answer
x = 714,411.79
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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.