Finding the Fourth Proportional to 1,023,438.40, 1,535,272.80 and 313,460.80
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Solution
The fourth proportional to 1,023,438.40, 1,535,272.80 and 313,460.80 is: 470,226.48
Step by Step Solution
- Step 1: Write the proportion equation
1,023,438.40 : 1,535,272.80 = 313,460.80 : x - Step 2: Convert to fraction form
1,023,438.40/1,535,272.80 = 313,460.80/x - Step 3: Cross multiply
1,023,438.40x = 1,535,272.80 × 313,460.80 - Step 4: Simplify right side
1,023,438.40x = 481,247,840,106.24 - Step 5: Solve for x
x = 481,247,840,106.24/1,023,438.40 - Step 6: Final answer
x = 470,226.48
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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.