Finding the Fourth Proportional to 766,276.28, 1,149,509.84 and 260,798.41
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Solution
The fourth proportional to 766,276.28, 1,149,509.84 and 260,798.41 is: 391,230.09
Step by Step Solution
- Step 1: Write the proportion equation
766,276.28 : 1,149,509.84 = 260,798.41 : x - Step 2: Convert to fraction form
766,276.28/1,149,509.84 = 260,798.41/x - Step 3: Cross multiply
766,276.28x = 1,149,509.84 × 260,798.41 - Step 4: Simplify right side
766,276.28x = 299,790,334,373.59 - Step 5: Solve for x
x = 299,790,334,373.59/766,276.28 - Step 6: Final answer
x = 391,230.09
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.