Finding the Fourth Proportional to 698,279.52, 963,657.36 and 411,811.68
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Solution
The fourth proportional to 698,279.52, 963,657.36 and 411,811.68 is: 568,318.77
Step by Step Solution
- Step 1: Write the proportion equation
698,279.52 : 963,657.36 = 411,811.68 : x - Step 2: Convert to fraction form
698,279.52/963,657.36 = 411,811.68/x - Step 3: Cross multiply
698,279.52x = 963,657.36 × 411,811.68 - Step 4: Simplify right side
698,279.52x = 396,845,356,365.97 - Step 5: Solve for x
x = 396,845,356,365.97/698,279.52 - Step 6: Final answer
x = 568,318.77
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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.