Finding the Fourth Proportional to 608,811.13, 912,343.01 and 342,010.09
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Solution
The fourth proportional to 608,811.13, 912,343.01 and 342,010.09 is: 512,524.32
Step by Step Solution
- Step 1: Write the proportion equation
608,811.13 : 912,343.01 = 342,010.09 : x - Step 2: Convert to fraction form
608,811.13/912,343.01 = 342,010.09/x - Step 3: Cross multiply
608,811.13x = 912,343.01 × 342,010.09 - Step 4: Simplify right side
608,811.13x = 312,030,510,970.06 - Step 5: Solve for x
x = 312,030,510,970.06/608,811.13 - Step 6: Final answer
x = 512,524.32
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.