Finding the Fourth Proportional to 624,602.61, 861,950.61 and 338,122.62
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Solution
The fourth proportional to 624,602.61, 861,950.61 and 338,122.62 is: 466,608.68
Step by Step Solution
- Step 1: Write the proportion equation
624,602.61 : 861,950.61 = 338,122.62 : x - Step 2: Convert to fraction form
624,602.61/861,950.61 = 338,122.62/x - Step 3: Cross multiply
624,602.61x = 861,950.61 × 338,122.62 - Step 4: Simplify right side
624,602.61x = 291,444,998,563.80 - Step 5: Solve for x
x = 291,444,998,563.80/624,602.61 - Step 6: Final answer
x = 466,608.68
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1.5x scale
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.