Finding the Fourth Proportional to 750,905.80, 1,125,860.55 and 414,107.80
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Solution
The fourth proportional to 750,905.80, 1,125,860.55 and 414,107.80 is: 620,886.98
Step by Step Solution
- Step 1: Write the proportion equation
750,905.80 : 1,125,860.55 = 414,107.80 : x - Step 2: Convert to fraction form
750,905.80/1,125,860.55 = 414,107.80/x - Step 3: Cross multiply
750,905.80x = 1,125,860.55 × 414,107.80 - Step 4: Simplify right side
750,905.80x = 466,227,635,467.29 - Step 5: Solve for x
x = 466,227,635,467.29/750,905.80 - Step 6: Final answer
x = 620,886.98
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.