Finding the Fourth Proportional to 1,048,337.40, 1,571,145.30 and 486,175.80
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Solution
The fourth proportional to 1,048,337.40, 1,571,145.30 and 486,175.80 is: 728,632.62
Step by Step Solution
- Step 1: Write the proportion equation
1,048,337.40 : 1,571,145.30 = 486,175.80 : x - Step 2: Convert to fraction form
1,048,337.40/1,571,145.30 = 486,175.80/x - Step 3: Cross multiply
1,048,337.40x = 1,571,145.30 × 486,175.80 - Step 4: Simplify right side
1,048,337.40x = 763,852,823,143.74 - Step 5: Solve for x
x = 763,852,823,143.74/1,048,337.40 - Step 6: Final answer
x = 728,632.62
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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.