Finding the Fourth Proportional to 549,042.55, 819,826.41 and 484,462.49
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Solution
The fourth proportional to 549,042.55, 819,826.41 and 484,462.49 is: 723,395.92
Step by Step Solution
- Step 1: Write the proportion equation
549,042.55 : 819,826.41 = 484,462.49 : x - Step 2: Convert to fraction form
549,042.55/819,826.41 = 484,462.49/x - Step 3: Cross multiply
549,042.55x = 819,826.41 × 484,462.49 - Step 4: Simplify right side
549,042.55x = 397,175,141,673.96 - Step 5: Solve for x
x = 397,175,141,673.96/549,042.55 - Step 6: Final answer
x = 723,395.92
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.