Finding the Fourth Proportional to 570,110.96, 786,720.36 and 315,449.36
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Solution
The fourth proportional to 570,110.96, 786,720.36 and 315,449.36 is: 435,301.99
Step by Step Solution
- Step 1: Write the proportion equation
570,110.96 : 786,720.36 = 315,449.36 : x - Step 2: Convert to fraction form
570,110.96/786,720.36 = 315,449.36/x - Step 3: Cross multiply
570,110.96x = 786,720.36 × 315,449.36 - Step 4: Simplify right side
570,110.96x = 248,170,434,060.97 - Step 5: Solve for x
x = 248,170,434,060.97/570,110.96 - Step 6: Final answer
x = 435,301.99
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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.