Finding the Fourth Proportional to 634,316.34, 874,509.73 and 503,926.62
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Solution
The fourth proportional to 634,316.34, 874,509.73 and 503,926.62 is: 694,745.99
Step by Step Solution
- Step 1: Write the proportion equation
634,316.34 : 874,509.73 = 503,926.62 : x - Step 2: Convert to fraction form
634,316.34/874,509.73 = 503,926.62/x - Step 3: Cross multiply
634,316.34x = 874,509.73 × 503,926.62 - Step 4: Simplify right side
634,316.34x = 440,688,732,396.01 - Step 5: Solve for x
x = 440,688,732,396.01/634,316.34 - Step 6: Final answer
x = 694,745.99
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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.