Finding the Fourth Proportional to 797,689.08, 1,101,217.43 and 615,993.12
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Solution
The fourth proportional to 797,689.08, 1,101,217.43 and 615,993.12 is: 850,384.41
Step by Step Solution
- Step 1: Write the proportion equation
797,689.08 : 1,101,217.43 = 615,993.12 : x - Step 2: Convert to fraction form
797,689.08/1,101,217.43 = 615,993.12/x - Step 3: Cross multiply
797,689.08x = 1,101,217.43 × 615,993.12 - Step 4: Simplify right side
797,689.08x = 678,342,358,579.10 - Step 5: Solve for x
x = 678,342,358,579.10/797,689.08 - Step 6: Final answer
x = 850,384.41
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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.