Finding the Fourth Proportional to 828,508.71, 1,143,106.19 and 497,230.08
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Solution
The fourth proportional to 828,508.71, 1,143,106.19 and 497,230.08 is: 686,035.97
Step by Step Solution
- Step 1: Write the proportion equation
828,508.71 : 1,143,106.19 = 497,230.08 : x - Step 2: Convert to fraction form
828,508.71/1,143,106.19 = 497,230.08/x - Step 3: Cross multiply
828,508.71x = 1,143,106.19 × 497,230.08 - Step 4: Simplify right side
828,508.71x = 568,386,779,816.05 - Step 5: Solve for x
x = 568,386,779,816.05/828,508.71 - Step 6: Final answer
x = 686,035.97
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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.