Finding the Fourth Proportional to 836,660.80, 1,254,113.97 and 409,607.74
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Solution
The fourth proportional to 836,660.80, 1,254,113.97 and 409,607.74 is: 613,982.14
Step by Step Solution
- Step 1: Write the proportion equation
836,660.80 : 1,254,113.97 = 409,607.74 : x - Step 2: Convert to fraction form
836,660.80/1,254,113.97 = 409,607.74/x - Step 3: Cross multiply
836,660.80x = 1,254,113.97 × 409,607.74 - Step 4: Simplify right side
836,660.80x = 513,694,788,954.13 - Step 5: Solve for x
x = 513,694,788,954.13/836,660.80 - Step 6: Final answer
x = 613,982.14
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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.