Finding the Fourth Proportional to 725,325.98, 1,088,206.25 and 292,820.74
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Solution
The fourth proportional to 725,325.98, 1,088,206.25 and 292,820.74 is: 439,318.83
Step by Step Solution
- Step 1: Write the proportion equation
725,325.98 : 1,088,206.25 = 292,820.74 : x - Step 2: Convert to fraction form
725,325.98/1,088,206.25 = 292,820.74/x - Step 3: Cross multiply
725,325.98x = 1,088,206.25 × 292,820.74 - Step 4: Simplify right side
725,325.98x = 318,649,355,213.01 - Step 5: Solve for x
x = 318,649,355,213.01/725,325.98 - Step 6: Final answer
x = 439,318.83
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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.