Finding the Fourth Proportional to 767,316.53, 1,148,744.04 and 446,490.62
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Solution
The fourth proportional to 767,316.53, 1,148,744.04 and 446,490.62 is: 668,437.88
Step by Step Solution
- Step 1: Write the proportion equation
767,316.53 : 1,148,744.04 = 446,490.62 : x - Step 2: Convert to fraction form
767,316.53/1,148,744.04 = 446,490.62/x - Step 3: Cross multiply
767,316.53x = 1,148,744.04 × 446,490.62 - Step 4: Simplify right side
767,316.53x = 512,903,432,897.19 - Step 5: Solve for x
x = 512,903,432,897.19/767,316.53 - Step 6: Final answer
x = 668,437.88
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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.