Finding the Fourth Proportional to 724,364.24, 999,516.08 and 402,076.80
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Solution
The fourth proportional to 724,364.24, 999,516.08 and 402,076.80 is: 554,806.83
Step by Step Solution
- Step 1: Write the proportion equation
724,364.24 : 999,516.08 = 402,076.80 : x - Step 2: Convert to fraction form
724,364.24/999,516.08 = 402,076.80/x - Step 3: Cross multiply
724,364.24x = 999,516.08 × 402,076.80 - Step 4: Simplify right side
724,364.24x = 401,882,226,994.94 - Step 5: Solve for x
x = 401,882,226,994.94/724,364.24 - Step 6: Final answer
x = 554,806.83
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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.