Finding the Fourth Proportional to 838,832.36, 1,157,547.33 and 476,208.63
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Solution
The fourth proportional to 838,832.36, 1,157,547.33 and 476,208.63 is: 657,144.45
Step by Step Solution
- Step 1: Write the proportion equation
838,832.36 : 1,157,547.33 = 476,208.63 : x - Step 2: Convert to fraction form
838,832.36/1,157,547.33 = 476,208.63/x - Step 3: Cross multiply
838,832.36x = 1,157,547.33 × 476,208.63 - Step 4: Simplify right side
838,832.36x = 551,234,028,179.46 - Step 5: Solve for x
x = 551,234,028,179.46/838,832.36 - Step 6: Final answer
x = 657,144.45
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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.