Finding the Fourth Proportional to 571,539.24, 788,723.93 and 309,894.76
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Solution
The fourth proportional to 571,539.24, 788,723.93 and 309,894.76 is: 427,654.65
Step by Step Solution
- Step 1: Write the proportion equation
571,539.24 : 788,723.93 = 309,894.76 : x - Step 2: Convert to fraction form
571,539.24/788,723.93 = 309,894.76/x - Step 3: Cross multiply
571,539.24x = 788,723.93 × 309,894.76 - Step 4: Simplify right side
571,539.24x = 244,421,414,754.25 - Step 5: Solve for x
x = 244,421,414,754.25/571,539.24 - Step 6: Final answer
x = 427,654.65
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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.