Finding the Fourth Proportional to 741,925.60, 1,023,859.14 and 402,393.88
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Solution
The fourth proportional to 741,925.60, 1,023,859.14 and 402,393.88 is: 555,304.54
Step by Step Solution
- Step 1: Write the proportion equation
741,925.60 : 1,023,859.14 = 402,393.88 : x - Step 2: Convert to fraction form
741,925.60/1,023,859.14 = 402,393.88/x - Step 3: Cross multiply
741,925.60x = 1,023,859.14 × 402,393.88 - Step 4: Simplify right side
741,925.60x = 411,994,651,918.06 - Step 5: Solve for x
x = 411,994,651,918.06/741,925.60 - Step 6: Final answer
x = 555,304.54
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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.