Finding the Fourth Proportional to 619,309.68, 928,919.41 and 277,858.84
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Solution
The fourth proportional to 619,309.68, 928,919.41 and 277,858.84 is: 416,768.02
Step by Step Solution
- Step 1: Write the proportion equation
619,309.68 : 928,919.41 = 277,858.84 : x - Step 2: Convert to fraction form
619,309.68/928,919.41 = 277,858.84/x - Step 3: Cross multiply
619,309.68x = 928,919.41 × 277,858.84 - Step 4: Simplify right side
619,309.68x = 258,108,466,699.14 - Step 5: Solve for x
x = 258,108,466,699.14/619,309.68 - Step 6: Final answer
x = 416,768.02
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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.