Finding the Fourth Proportional to 968,990.17, 1,337,193.37 and 539,270.18
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Solution
The fourth proportional to 968,990.17, 1,337,193.37 and 539,270.18 is: 744,185.58
Step by Step Solution
- Step 1: Write the proportion equation
968,990.17 : 1,337,193.37 = 539,270.18 : x - Step 2: Convert to fraction form
968,990.17/1,337,193.37 = 539,270.18/x - Step 3: Cross multiply
968,990.17x = 1,337,193.37 × 539,270.18 - Step 4: Simplify right side
968,990.17x = 721,108,509,334.71 - Step 5: Solve for x
x = 721,108,509,334.71/968,990.17 - Step 6: Final answer
x = 744,185.58
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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.