Finding the Fourth Proportional to 974,424.75, 1,344,714.84 and 538,871.40
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Solution
The fourth proportional to 974,424.75, 1,344,714.84 and 538,871.40 is: 743,647.33
Step by Step Solution
- Step 1: Write the proportion equation
974,424.75 : 1,344,714.84 = 538,871.40 : x - Step 2: Convert to fraction form
974,424.75/1,344,714.84 = 538,871.40/x - Step 3: Cross multiply
974,424.75x = 1,344,714.84 × 538,871.40 - Step 4: Simplify right side
974,424.75x = 724,628,361,368.13 - Step 5: Solve for x
x = 724,628,361,368.13/974,424.75 - Step 6: Final answer
x = 743,647.33
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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.