Finding the Fourth Proportional to 937,626.58, 1,406,478.84 and 272,778.58
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Solution
The fourth proportional to 937,626.58, 1,406,478.84 and 272,778.58 is: 409,179.21
Step by Step Solution
- Step 1: Write the proportion equation
937,626.58 : 1,406,478.84 = 272,778.58 : x - Step 2: Convert to fraction form
937,626.58/1,406,478.84 = 272,778.58/x - Step 3: Cross multiply
937,626.58x = 1,406,478.84 × 272,778.58 - Step 4: Simplify right side
937,626.58x = 383,657,300,775.25 - Step 5: Solve for x
x = 383,657,300,775.25/937,626.58 - Step 6: Final answer
x = 409,179.21
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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.