Finding the Fourth Proportional to 1,349,059.60, 2,023,330.20 and 402,461.20
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Solution
The fourth proportional to 1,349,059.60, 2,023,330.20 and 402,461.20 is: 603,614.47
Step by Step Solution
- Step 1: Write the proportion equation
1,349,059.60 : 2,023,330.20 = 402,461.20 : x - Step 2: Convert to fraction form
1,349,059.60/2,023,330.20 = 402,461.20/x - Step 3: Cross multiply
1,349,059.60x = 2,023,330.20 × 402,461.20 - Step 4: Simplify right side
1,349,059.60x = 814,311,900,288.24 - Step 5: Solve for x
x = 814,311,900,288.24/1,349,059.60 - Step 6: Final answer
x = 603,614.47
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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.