Finding the Fourth Proportional to 1,118,064.31, 1,677,272.92 and 478,372.21
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Solution
The fourth proportional to 1,118,064.31, 1,677,272.92 and 478,372.21 is: 717,633.81
Step by Step Solution
- Step 1: Write the proportion equation
1,118,064.31 : 1,677,272.92 = 478,372.21 : x - Step 2: Convert to fraction form
1,118,064.31/1,677,272.92 = 478,372.21/x - Step 3: Cross multiply
1,118,064.31x = 1,677,272.92 × 478,372.21 - Step 4: Simplify right side
1,118,064.31x = 802,360,748,124.44 - Step 5: Solve for x
x = 802,360,748,124.44/1,118,064.31 - Step 6: Final answer
x = 717,633.81
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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.