Finding the Fourth Proportional to 867,491.53, 1,197,175.73 and 480,306.96
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Solution
The fourth proportional to 867,491.53, 1,197,175.73 and 480,306.96 is: 662,844.32
Step by Step Solution
- Step 1: Write the proportion equation
867,491.53 : 1,197,175.73 = 480,306.96 : x - Step 2: Convert to fraction form
867,491.53/1,197,175.73 = 480,306.96/x - Step 3: Cross multiply
867,491.53x = 1,197,175.73 × 480,306.96 - Step 4: Simplify right side
867,491.53x = 575,011,834,861.70 - Step 5: Solve for x
x = 575,011,834,861.70/867,491.53 - Step 6: Final answer
x = 662,844.32
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.