Finding the Fourth Proportional to 520,928.12, 785,296.48 and 486,207.94
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Solution
The fourth proportional to 520,928.12, 785,296.48 and 486,207.94 is: 732,955.99
Step by Step Solution
- Step 1: Write the proportion equation
520,928.12 : 785,296.48 = 486,207.94 : x - Step 2: Convert to fraction form
520,928.12/785,296.48 = 486,207.94/x - Step 3: Cross multiply
520,928.12x = 785,296.48 × 486,207.94 - Step 4: Simplify right side
520,928.12x = 381,817,383,830.05 - Step 5: Solve for x
x = 381,817,383,830.05/520,928.12 - Step 6: Final answer
x = 732,955.99
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Why These Related Problems?
These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.