Finding the Fourth Proportional to 493,532.28, 740,593.36 and 453,378.96
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Solution
The fourth proportional to 493,532.28, 740,593.36 and 453,378.96 is: 680,339.38
Step by Step Solution
- Step 1: Write the proportion equation
493,532.28 : 740,593.36 = 453,378.96 : x - Step 2: Convert to fraction form
493,532.28/740,593.36 = 453,378.96/x - Step 3: Cross multiply
493,532.28x = 740,593.36 × 453,378.96 - Step 4: Simplify right side
493,532.28x = 335,769,447,339.71 - Step 5: Solve for x
x = 335,769,447,339.71/493,532.28 - Step 6: Final answer
x = 680,339.38
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1.5x scale
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.