Finding the Fourth Proportional to 659,624.96, 910,282.76 and 373,138.96
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Solution
The fourth proportional to 659,624.96, 910,282.76 and 373,138.96 is: 514,931.94
Step by Step Solution
- Step 1: Write the proportion equation
659,624.96 : 910,282.76 = 373,138.96 : x - Step 2: Convert to fraction form
659,624.96/910,282.76 = 373,138.96/x - Step 3: Cross multiply
659,624.96x = 910,282.76 × 373,138.96 - Step 4: Simplify right side
659,624.96x = 339,661,962,372.33 - Step 5: Solve for x
x = 339,661,962,372.33/659,624.96 - Step 6: Final answer
x = 514,931.94
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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.