Finding the Fourth Proportional to 781,414.42, 1,170,604.95 and 575,875.75
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Solution
The fourth proportional to 781,414.42, 1,170,604.95 and 575,875.75 is: 862,695.88
Step by Step Solution
- Step 1: Write the proportion equation
781,414.42 : 1,170,604.95 = 575,875.75 : x - Step 2: Convert to fraction form
781,414.42/1,170,604.95 = 575,875.75/x - Step 3: Cross multiply
781,414.42x = 1,170,604.95 × 575,875.75 - Step 4: Simplify right side
781,414.42x = 674,123,003,534.96 - Step 5: Solve for x
x = 674,123,003,534.96/781,414.42 - Step 6: Final answer
x = 862,695.88
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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.