Finding the Fourth Proportional to 689,336.62, 950,616.62 and 459,903.26
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Solution
The fourth proportional to 689,336.62, 950,616.62 and 459,903.26 is: 634,220.89
Step by Step Solution
- Step 1: Write the proportion equation
689,336.62 : 950,616.62 = 459,903.26 : x - Step 2: Convert to fraction form
689,336.62/950,616.62 = 459,903.26/x - Step 3: Cross multiply
689,336.62x = 950,616.62 × 459,903.26 - Step 4: Simplify right side
689,336.62x = 437,191,682,548.18 - Step 5: Solve for x
x = 437,191,682,548.18/689,336.62 - Step 6: Final answer
x = 634,220.89
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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.