Finding the Fourth Proportional to 471,899.12, 707,257.58 and 371,663.44
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Solution
The fourth proportional to 471,899.12, 707,257.58 and 371,663.44 is: 557,029.61
Step by Step Solution
- Step 1: Write the proportion equation
471,899.12 : 707,257.58 = 371,663.44 : x - Step 2: Convert to fraction form
471,899.12/707,257.58 = 371,663.44/x - Step 3: Cross multiply
471,899.12x = 707,257.58 × 371,663.44 - Step 4: Simplify right side
471,899.12x = 262,861,781,522.41 - Step 5: Solve for x
x = 262,861,781,522.41/471,899.12 - Step 6: Final answer
x = 557,029.61
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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.