Finding the Fourth Proportional to 724,958.71, 1,000,806.65 and 453,177.79
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Solution
The fourth proportional to 724,958.71, 1,000,806.65 and 453,177.79 is: 625,612.66
Step by Step Solution
- Step 1: Write the proportion equation
724,958.71 : 1,000,806.65 = 453,177.79 : x - Step 2: Convert to fraction form
724,958.71/1,000,806.65 = 453,177.79/x - Step 3: Cross multiply
724,958.71x = 1,000,806.65 × 453,177.79 - Step 4: Simplify right side
724,958.71x = 453,543,345,864.30 - Step 5: Solve for x
x = 453,543,345,864.30/724,958.71 - Step 6: Final answer
x = 625,612.66
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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.