Finding the Fourth Proportional to 986,619.42, 1,361,534.70 and 533,910.42
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Solution
The fourth proportional to 986,619.42, 1,361,534.70 and 533,910.42 is: 736,796.33
Step by Step Solution
- Step 1: Write the proportion equation
986,619.42 : 1,361,534.70 = 533,910.42 : x - Step 2: Convert to fraction form
986,619.42/1,361,534.70 = 533,910.42/x - Step 3: Cross multiply
986,619.42x = 1,361,534.70 × 533,910.42 - Step 4: Simplify right side
986,619.42x = 726,937,563,521.57 - Step 5: Solve for x
x = 726,937,563,521.57/986,619.42 - Step 6: Final answer
x = 736,796.33
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.