Finding the Fourth Proportional to 674,299.55, 929,665.14 and 480,927.71
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Solution
The fourth proportional to 674,299.55, 929,665.14 and 480,927.71 is: 663,060.99
Step by Step Solution
- Step 1: Write the proportion equation
674,299.55 : 929,665.14 = 480,927.71 : x - Step 2: Convert to fraction form
674,299.55/929,665.14 = 480,927.71/x - Step 3: Cross multiply
674,299.55x = 929,665.14 × 480,927.71 - Step 4: Simplify right side
674,299.55x = 447,101,726,847.03 - Step 5: Solve for x
x = 447,101,726,847.03/674,299.55 - Step 6: Final answer
x = 663,060.99
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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.