Finding the Fourth Proportional to 539,359.70, 809,266.35 and 289,750.10
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Solution
The fourth proportional to 539,359.70, 809,266.35 and 289,750.10 is: 434,746.99
Step by Step Solution
- Step 1: Write the proportion equation
539,359.70 : 809,266.35 = 289,750.10 : x - Step 2: Convert to fraction form
539,359.70/809,266.35 = 289,750.10/x - Step 3: Cross multiply
539,359.70x = 809,266.35 × 289,750.10 - Step 4: Simplify right side
539,359.70x = 234,485,005,839.14 - Step 5: Solve for x
x = 234,485,005,839.14/539,359.70 - Step 6: Final answer
x = 434,746.99
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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.