Finding the Fourth Proportional to 1,026,473.21, 1,539,929.88 and 306,871.23
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Solution
The fourth proportional to 1,026,473.21, 1,539,929.88 and 306,871.23 is: 460,372.64
Step by Step Solution
- Step 1: Write the proportion equation
1,026,473.21 : 1,539,929.88 = 306,871.23 : x - Step 2: Convert to fraction form
1,026,473.21/1,539,929.88 = 306,871.23/x - Step 3: Cross multiply
1,026,473.21x = 1,539,929.88 × 306,871.23 - Step 4: Simplify right side
1,026,473.21x = 472,560,182,164.09 - Step 5: Solve for x
x = 472,560,182,164.09/1,026,473.21 - Step 6: Final answer
x = 460,372.64
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.