Finding the Fourth Proportional to 723,331.60, 1,084,219.80 and 273,878.80
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Solution
The fourth proportional to 723,331.60, 1,084,219.80 and 273,878.80 is: 410,523.77
Step by Step Solution
- Step 1: Write the proportion equation
723,331.60 : 1,084,219.80 = 273,878.80 : x - Step 2: Convert to fraction form
723,331.60/1,084,219.80 = 273,878.80/x - Step 3: Cross multiply
723,331.60x = 1,084,219.80 × 273,878.80 - Step 4: Simplify right side
723,331.60x = 296,944,817,760.24 - Step 5: Solve for x
x = 296,944,817,760.24/723,331.60 - Step 6: Final answer
x = 410,523.77
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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.