Finding the Fourth Proportional to 503,897.76, 695,378.79 and 277,543.26
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Solution
The fourth proportional to 503,897.76, 695,378.79 and 277,543.26 is: 383,009.63
Step by Step Solution
- Step 1: Write the proportion equation
503,897.76 : 695,378.79 = 277,543.26 : x - Step 2: Convert to fraction form
503,897.76/695,378.79 = 277,543.26/x - Step 3: Cross multiply
503,897.76x = 695,378.79 × 277,543.26 - Step 4: Simplify right side
503,897.76x = 192,997,696,311.46 - Step 5: Solve for x
x = 192,997,696,311.46/503,897.76 - Step 6: Final answer
x = 383,009.63
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1.5x scale
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.