Finding the Fourth Proportional to 1,011,744.34, 1,517,781.21 and 472,539.82
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Solution
The fourth proportional to 1,011,744.34, 1,517,781.21 and 472,539.82 is: 708,886.65
Step by Step Solution
- Step 1: Write the proportion equation
1,011,744.34 : 1,517,781.21 = 472,539.82 : x - Step 2: Convert to fraction form
1,011,744.34/1,517,781.21 = 472,539.82/x - Step 3: Cross multiply
1,011,744.34x = 1,517,781.21 × 472,539.82 - Step 4: Simplify right side
1,011,744.34x = 717,212,059,772.78 - Step 5: Solve for x
x = 717,212,059,772.78/1,011,744.34 - Step 6: Final answer
x = 708,886.65
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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.