Finding the Fourth Proportional to 838,979.09, 1,157,758.41 and 512,838.12
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Solution
The fourth proportional to 838,979.09, 1,157,758.41 and 512,838.12 is: 707,696.60
Step by Step Solution
- Step 1: Write the proportion equation
838,979.09 : 1,157,758.41 = 512,838.12 : x - Step 2: Convert to fraction form
838,979.09/1,157,758.41 = 512,838.12/x - Step 3: Cross multiply
838,979.09x = 1,157,758.41 × 512,838.12 - Step 4: Simplify right side
838,979.09x = 593,742,652,663.33 - Step 5: Solve for x
x = 593,742,652,663.33/838,979.09 - Step 6: Final answer
x = 707,696.60
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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.