Finding the Fourth Proportional to 504,316.05, 695,956.40 and 286,525.09
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Solution
The fourth proportional to 504,316.05, 695,956.40 and 286,525.09 is: 395,404.77
Step by Step Solution
- Step 1: Write the proportion equation
504,316.05 : 695,956.40 = 286,525.09 : x - Step 2: Convert to fraction form
504,316.05/695,956.40 = 286,525.09/x - Step 3: Cross multiply
504,316.05x = 695,956.40 × 286,525.09 - Step 4: Simplify right side
504,316.05x = 199,408,970,146.08 - Step 5: Solve for x
x = 199,408,970,146.08/504,316.05 - Step 6: Final answer
x = 395,404.77
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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.