Finding the Fourth Proportional to 986,404.14, 1,361,237.76 and 533,695.14
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Solution
The fourth proportional to 986,404.14, 1,361,237.76 and 533,695.14 is: 736,499.32
Step by Step Solution
- Step 1: Write the proportion equation
986,404.14 : 1,361,237.76 = 533,695.14 : x - Step 2: Convert to fraction form
986,404.14/1,361,237.76 = 533,695.14/x - Step 3: Cross multiply
986,404.14x = 1,361,237.76 × 533,695.14 - Step 4: Simplify right side
986,404.14x = 726,485,976,896.49 - Step 5: Solve for x
x = 726,485,976,896.49/986,404.14 - Step 6: Final answer
x = 736,499.32
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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.