Finding the Fourth Proportional to 478,833.22, 716,132.08 and 425,896.88
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Solution
The fourth proportional to 478,833.22, 716,132.08 and 425,896.88 is: 636,961.70
Step by Step Solution
- Step 1: Write the proportion equation
478,833.22 : 716,132.08 = 425,896.88 : x - Step 2: Convert to fraction form
478,833.22/716,132.08 = 425,896.88/x - Step 3: Cross multiply
478,833.22x = 716,132.08 × 425,896.88 - Step 4: Simplify right side
478,833.22x = 304,998,416,410.43 - Step 5: Solve for x
x = 304,998,416,410.43/478,833.22 - Step 6: Final answer
x = 636,961.70
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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.