Finding the Fourth Proportional to 503,839.84, 695,330.40 and 277,485.28
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Solution
The fourth proportional to 503,839.84, 695,330.40 and 277,485.28 is: 382,946.99
Step by Step Solution
- Step 1: Write the proportion equation
503,839.84 : 695,330.40 = 277,485.28 : x - Step 2: Convert to fraction form
503,839.84/695,330.40 = 277,485.28/x - Step 3: Cross multiply
503,839.84x = 695,330.40 × 277,485.28 - Step 4: Simplify right side
503,839.84x = 192,943,950,736.51 - Step 5: Solve for x
x = 192,943,950,736.51/503,839.84 - Step 6: Final answer
x = 382,946.99
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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.