Finding the Fourth Proportional to 998,130.11, 1,377,420.19 and 539,244.41
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Solution
The fourth proportional to 998,130.11, 1,377,420.19 and 539,244.41 is: 744,157.64
Step by Step Solution
- Step 1: Write the proportion equation
998,130.11 : 1,377,420.19 = 539,244.41 : x - Step 2: Convert to fraction form
998,130.11/1,377,420.19 = 539,244.41/x - Step 3: Cross multiply
998,130.11x = 1,377,420.19 × 539,244.41 - Step 4: Simplify right side
998,130.11x = 742,766,140,224.66 - Step 5: Solve for x
x = 742,766,140,224.66/998,130.11 - Step 6: Final answer
x = 744,157.64
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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.