Finding the Fourth Proportional to 987,158.93, 1,480,828.76 and 277,182.19
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Solution
The fourth proportional to 987,158.93, 1,480,828.76 and 277,182.19 is: 415,798.65
Step by Step Solution
- Step 1: Write the proportion equation
987,158.93 : 1,480,828.76 = 277,182.19 : x - Step 2: Convert to fraction form
987,158.93/1,480,828.76 = 277,182.19/x - Step 3: Cross multiply
987,158.93x = 1,480,828.76 × 277,182.19 - Step 4: Simplify right side
987,158.93x = 410,459,355,702.67 - Step 5: Solve for x
x = 410,459,355,702.67/987,158.93 - Step 6: Final answer
x = 415,798.65
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.