Finding the Fourth Proportional to 619,827.84, 855,291.84 and 347,858.88
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Solution
The fourth proportional to 619,827.84, 855,291.84 and 347,858.88 is: 480,005.64
Step by Step Solution
- Step 1: Write the proportion equation
619,827.84 : 855,291.84 = 347,858.88 : x - Step 2: Convert to fraction form
619,827.84/855,291.84 = 347,858.88/x - Step 3: Cross multiply
619,827.84x = 855,291.84 × 347,858.88 - Step 4: Simplify right side
619,827.84x = 297,520,861,535.54 - Step 5: Solve for x
x = 297,520,861,535.54/619,827.84 - Step 6: Final answer
x = 480,005.64
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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.