Finding the Fourth Proportional to 1,346,753.80, 2,020,130.70 and 349,481.80
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Solution
The fourth proportional to 1,346,753.80, 2,020,130.70 and 349,481.80 is: 524,222.70
Step by Step Solution
- Step 1: Write the proportion equation
1,346,753.80 : 2,020,130.70 = 349,481.80 : x - Step 2: Convert to fraction form
1,346,753.80/2,020,130.70 = 349,481.80/x - Step 3: Cross multiply
1,346,753.80x = 2,020,130.70 × 349,481.80 - Step 4: Simplify right side
1,346,753.80x = 705,998,913,271.26 - Step 5: Solve for x
x = 705,998,913,271.26/1,346,753.80 - Step 6: Final answer
x = 524,222.70
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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.