Finding the Fourth Proportional to 1,476,167.70, 2,214,251.55 and 478,895.70
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Solution
The fourth proportional to 1,476,167.70, 2,214,251.55 and 478,895.70 is: 718,343.55
Step by Step Solution
- Step 1: Write the proportion equation
1,476,167.70 : 2,214,251.55 = 478,895.70 : x - Step 2: Convert to fraction form
1,476,167.70/2,214,251.55 = 478,895.70/x - Step 3: Cross multiply
1,476,167.70x = 2,214,251.55 × 478,895.70 - Step 4: Simplify right side
1,476,167.70x = 1,060,395,546,013.34 - Step 5: Solve for x
x = 1,060,395,546,013.34/1,476,167.70 - Step 6: Final answer
x = 718,343.55
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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.