Finding the Fourth Proportional to 619,874.02, 855,438.78 and 347,961.52
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Solution
The fourth proportional to 619,874.02, 855,438.78 and 347,961.52 is: 480,193.99
Step by Step Solution
- Step 1: Write the proportion equation
619,874.02 : 855,438.78 = 347,961.52 : x - Step 2: Convert to fraction form
619,874.02/855,438.78 = 347,961.52/x - Step 3: Cross multiply
619,874.02x = 855,438.78 × 347,961.52 - Step 4: Simplify right side
619,874.02x = 297,659,778,155.75 - Step 5: Solve for x
x = 297,659,778,155.75/619,874.02 - Step 6: Final answer
x = 480,193.99
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.