Finding the Fourth Proportional to 499,567.77, 688,563.86 and 378,670.41
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Solution
The fourth proportional to 499,567.77, 688,563.86 and 378,670.41 is: 521,928.70
Step by Step Solution
- Step 1: Write the proportion equation
499,567.77 : 688,563.86 = 378,670.41 : x - Step 2: Convert to fraction form
499,567.77/688,563.86 = 378,670.41/x - Step 3: Cross multiply
499,567.77x = 688,563.86 × 378,670.41 - Step 4: Simplify right side
499,567.77x = 260,738,757,284.03 - Step 5: Solve for x
x = 260,738,757,284.03/499,567.77 - Step 6: Final answer
x = 521,928.70
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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.