Finding the Fourth Proportional to 997,992.23, 1,377,229.68 and 539,106.80
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Solution
The fourth proportional to 997,992.23, 1,377,229.68 and 539,106.80 is: 743,967.60
Step by Step Solution
- Step 1: Write the proportion equation
997,992.23 : 1,377,229.68 = 539,106.80 : x - Step 2: Convert to fraction form
997,992.23/1,377,229.68 = 539,106.80/x - Step 3: Cross multiply
997,992.23x = 1,377,229.68 × 539,106.80 - Step 4: Simplify right side
997,992.23x = 742,473,878,763.68 - Step 5: Solve for x
x = 742,473,878,763.68/997,992.23 - Step 6: Final answer
x = 743,967.60
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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.