Finding the Fourth Proportional to 723,989.70, 999,251.16 and 418,115.88
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Solution
The fourth proportional to 723,989.70, 999,251.16 and 418,115.88 is: 577,083.87
Step by Step Solution
- Step 1: Write the proportion equation
723,989.70 : 999,251.16 = 418,115.88 : x - Step 2: Convert to fraction form
723,989.70/999,251.16 = 418,115.88/x - Step 3: Cross multiply
723,989.70x = 999,251.16 × 418,115.88 - Step 4: Simplify right side
723,989.70x = 417,802,778,104.42 - Step 5: Solve for x
x = 417,802,778,104.42/723,989.70 - Step 6: Final answer
x = 577,083.87
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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.