Finding the Fourth Proportional to 853,253.12, 1,177,117.44 and 513,528.32
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Solution
The fourth proportional to 853,253.12, 1,177,117.44 and 513,528.32 is: 708,445.28
Step by Step Solution
- Step 1: Write the proportion equation
853,253.12 : 1,177,117.44 = 513,528.32 : x - Step 2: Convert to fraction form
853,253.12/1,177,117.44 = 513,528.32/x - Step 3: Cross multiply
853,253.12x = 1,177,117.44 × 513,528.32 - Step 4: Simplify right side
853,253.12x = 604,483,141,405.90 - Step 5: Solve for x
x = 604,483,141,405.90/853,253.12 - Step 6: Final answer
x = 708,445.28
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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.