Finding the Fourth Proportional to 783,487.62, 1,081,543.86 and 529,183.26
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Solution
The fourth proportional to 783,487.62, 1,081,543.86 and 529,183.26 is: 730,496.43
Step by Step Solution
- Step 1: Write the proportion equation
783,487.62 : 1,081,543.86 = 529,183.26 : x - Step 2: Convert to fraction form
783,487.62/1,081,543.86 = 529,183.26/x - Step 3: Cross multiply
783,487.62x = 1,081,543.86 × 529,183.26 - Step 4: Simplify right side
783,487.62x = 572,334,905,667.78 - Step 5: Solve for x
x = 572,334,905,667.78/783,487.62 - Step 6: Final answer
x = 730,496.43
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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.