Finding the Fourth Proportional to 929,558.40, 1,394,226.88 and 255,708.17
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Solution
The fourth proportional to 929,558.40, 1,394,226.88 and 255,708.17 is: 383,531.79
Step by Step Solution
- Step 1: Write the proportion equation
929,558.40 : 1,394,226.88 = 255,708.17 : x - Step 2: Convert to fraction form
929,558.40/1,394,226.88 = 255,708.17/x - Step 3: Cross multiply
929,558.40x = 1,394,226.88 × 255,708.17 - Step 4: Simplify right side
929,558.40x = 356,515,197,746.29 - Step 5: Solve for x
x = 356,515,197,746.29/929,558.40 - Step 6: Final answer
x = 383,531.79
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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.