Finding the Fourth Proportional to 606,849.49, 905,659.86 and 539,590.73
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Solution
The fourth proportional to 606,849.49, 905,659.86 and 539,590.73 is: 805,283.15
Step by Step Solution
- Step 1: Write the proportion equation
606,849.49 : 905,659.86 = 539,590.73 : x - Step 2: Convert to fraction form
606,849.49/905,659.86 = 539,590.73/x - Step 3: Cross multiply
606,849.49x = 905,659.86 × 539,590.73 - Step 4: Simplify right side
606,849.49x = 488,685,662,291.14 - Step 5: Solve for x
x = 488,685,662,291.14/606,849.49 - Step 6: Final answer
x = 805,283.15
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.