Finding the Fourth Proportional to 916,543.80, 1,373,649.30 and 442,207.80
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Solution
The fourth proportional to 916,543.80, 1,373,649.30 and 442,207.80 is: 662,748.94
Step by Step Solution
- Step 1: Write the proportion equation
916,543.80 : 1,373,649.30 = 442,207.80 : x - Step 2: Convert to fraction form
916,543.80/1,373,649.30 = 442,207.80/x - Step 3: Cross multiply
916,543.80x = 1,373,649.30 × 442,207.80 - Step 4: Simplify right side
916,543.80x = 607,438,434,924.54 - Step 5: Solve for x
x = 607,438,434,924.54/916,543.80 - Step 6: Final answer
x = 662,748.94
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.