Finding the Fourth Proportional to 838,780.35, 1,157,549.64 and 476,237.94
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Solution
The fourth proportional to 838,780.35, 1,157,549.64 and 476,237.94 is: 657,226.96
Step by Step Solution
- Step 1: Write the proportion equation
838,780.35 : 1,157,549.64 = 476,237.94 : x - Step 2: Convert to fraction form
838,780.35/1,157,549.64 = 476,237.94/x - Step 3: Cross multiply
838,780.35x = 1,157,549.64 × 476,237.94 - Step 4: Simplify right side
838,780.35x = 551,269,056,001.34 - Step 5: Solve for x
x = 551,269,056,001.34/838,780.35 - Step 6: Final answer
x = 657,226.96
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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.