Finding the Fourth Proportional to 398,646.99, 598,250.69 and 360,532.70
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Solution
The fourth proportional to 398,646.99, 598,250.69 and 360,532.70 is: 541,052.46
Step by Step Solution
- Step 1: Write the proportion equation
398,646.99 : 598,250.69 = 360,532.70 : x - Step 2: Convert to fraction form
398,646.99/598,250.69 = 360,532.70/x - Step 3: Cross multiply
398,646.99x = 598,250.69 × 360,532.70 - Step 4: Simplify right side
398,646.99x = 215,688,937,587.52 - Step 5: Solve for x
x = 215,688,937,587.52/398,646.99 - Step 6: Final answer
x = 541,052.46
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.