Finding the Fourth Proportional to 855,641.24, 1,180,798.84 and 468,450.12
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Solution
The fourth proportional to 855,641.24, 1,180,798.84 and 468,450.12 is: 646,468.79
Step by Step Solution
- Step 1: Write the proportion equation
855,641.24 : 1,180,798.84 = 468,450.12 : x - Step 2: Convert to fraction form
855,641.24/1,180,798.84 = 468,450.12/x - Step 3: Cross multiply
855,641.24x = 1,180,798.84 × 468,450.12 - Step 4: Simplify right side
855,641.24x = 553,145,358,293.86 - Step 5: Solve for x
x = 553,145,358,293.86/855,641.24 - Step 6: Final answer
x = 646,468.79
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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.