Finding the Fourth Proportional to 746,257.20, 1,119,385.80 and 247,621.20
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Solution
The fourth proportional to 746,257.20, 1,119,385.80 and 247,621.20 is: 371,431.80
Step by Step Solution
- Step 1: Write the proportion equation
746,257.20 : 1,119,385.80 = 247,621.20 : x - Step 2: Convert to fraction form
746,257.20/1,119,385.80 = 247,621.20/x - Step 3: Cross multiply
746,257.20x = 1,119,385.80 × 247,621.20 - Step 4: Simplify right side
746,257.20x = 277,183,655,058.96 - Step 5: Solve for x
x = 277,183,655,058.96/746,257.20 - Step 6: Final answer
x = 371,431.80
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Similar ratio
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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.