Finding the Fourth Proportional to 880,373.34, 1,320,385.05 and 430,901.10
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Solution
The fourth proportional to 880,373.34, 1,320,385.05 and 430,901.10 is: 646,266.02
Step by Step Solution
- Step 1: Write the proportion equation
880,373.34 : 1,320,385.05 = 430,901.10 : x - Step 2: Convert to fraction form
880,373.34/1,320,385.05 = 430,901.10/x - Step 3: Cross multiply
880,373.34x = 1,320,385.05 × 430,901.10 - Step 4: Simplify right side
880,373.34x = 568,955,370,468.56 - Step 5: Solve for x
x = 568,955,370,468.56/880,373.34 - Step 6: Final answer
x = 646,266.02
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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.