Finding the Fourth Proportional to 861,575.04, 1,189,107.24 and 517,602.44
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Solution
The fourth proportional to 861,575.04, 1,189,107.24 and 517,602.44 is: 714,371.68
Step by Step Solution
- Step 1: Write the proportion equation
861,575.04 : 1,189,107.24 = 517,602.44 : x - Step 2: Convert to fraction form
861,575.04/1,189,107.24 = 517,602.44/x - Step 3: Cross multiply
861,575.04x = 1,189,107.24 × 517,602.44 - Step 4: Simplify right side
861,575.04x = 615,484,808,845.67 - Step 5: Solve for x
x = 615,484,808,845.67/861,575.04 - Step 6: Final answer
x = 714,371.68
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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.