Finding the Fourth Proportional to 683,460.04, 943,203.49 and 393,071.80
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Solution
The fourth proportional to 683,460.04, 943,203.49 and 393,071.80 is: 542,455.55
Step by Step Solution
- Step 1: Write the proportion equation
683,460.04 : 943,203.49 = 393,071.80 : x - Step 2: Convert to fraction form
683,460.04/943,203.49 = 393,071.80/x - Step 3: Cross multiply
683,460.04x = 943,203.49 × 393,071.80 - Step 4: Simplify right side
683,460.04x = 370,746,691,615.22 - Step 5: Solve for x
x = 370,746,691,615.22/683,460.04 - Step 6: Final answer
x = 542,455.55
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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.