Finding the Fourth Proportional to 875,397.25, 1,208,141.08 and 513,125.48
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Solution
The fourth proportional to 875,397.25, 1,208,141.08 and 513,125.48 is: 708,167.60
Step by Step Solution
- Step 1: Write the proportion equation
875,397.25 : 1,208,141.08 = 513,125.48 : x - Step 2: Convert to fraction form
875,397.25/1,208,141.08 = 513,125.48/x - Step 3: Cross multiply
875,397.25x = 1,208,141.08 × 513,125.48 - Step 4: Simplify right side
875,397.25x = 619,927,969,017.09 - Step 5: Solve for x
x = 619,927,969,017.09/875,397.25 - Step 6: Final answer
x = 708,167.60
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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.