Finding the Fourth Proportional to 979,708.42, 1,351,761.01 and 571,577.31
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Solution
The fourth proportional to 979,708.42, 1,351,761.01 and 571,577.31 is: 788,638.65
Step by Step Solution
- Step 1: Write the proportion equation
979,708.42 : 1,351,761.01 = 571,577.31 : x - Step 2: Convert to fraction form
979,708.42/1,351,761.01 = 571,577.31/x - Step 3: Cross multiply
979,708.42x = 1,351,761.01 × 571,577.31 - Step 4: Simplify right side
979,708.42x = 772,635,920,429.74 - Step 5: Solve for x
x = 772,635,920,429.74/979,708.42 - Step 6: Final answer
x = 788,638.65
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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.