Finding the Fourth Proportional to 722,811.60, 1,083,439.80 and 273,358.80
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Solution
The fourth proportional to 722,811.60, 1,083,439.80 and 273,358.80 is: 409,744.12
Step by Step Solution
- Step 1: Write the proportion equation
722,811.60 : 1,083,439.80 = 273,358.80 : x - Step 2: Convert to fraction form
722,811.60/1,083,439.80 = 273,358.80/x - Step 3: Cross multiply
722,811.60x = 1,083,439.80 × 273,358.80 - Step 4: Simplify right side
722,811.60x = 296,167,803,600.24 - Step 5: Solve for x
x = 296,167,803,600.24/722,811.60 - Step 6: Final answer
x = 409,744.12
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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.