Finding the Fourth Proportional to 690,385.95, 952,241.84 and 460,827.50
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Solution
The fourth proportional to 690,385.95, 952,241.84 and 460,827.50 is: 635,614.35
Step by Step Solution
- Step 1: Write the proportion equation
690,385.95 : 952,241.84 = 460,827.50 : x - Step 2: Convert to fraction form
690,385.95/952,241.84 = 460,827.50/x - Step 3: Cross multiply
690,385.95x = 952,241.84 × 460,827.50 - Step 4: Simplify right side
690,385.95x = 438,819,219,457.25 - Step 5: Solve for x
x = 438,819,219,457.25/690,385.95 - Step 6: Final answer
x = 635,614.35
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.