Finding the Fourth Proportional to 724,351.34, 999,559.14 and 402,042.62
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Solution
The fourth proportional to 724,351.34, 999,559.14 and 402,042.62 is: 554,793.45
Step by Step Solution
- Step 1: Write the proportion equation
724,351.34 : 999,559.14 = 402,042.62 : x - Step 2: Convert to fraction form
724,351.34/999,559.14 = 402,042.62/x - Step 3: Cross multiply
724,351.34x = 999,559.14 × 402,042.62 - Step 4: Simplify right side
724,351.34x = 401,865,375,490.55 - Step 5: Solve for x
x = 401,865,375,490.55/724,351.34 - Step 6: Final answer
x = 554,793.45
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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.