Finding the Fourth Proportional to 867,606.78, 1,197,343.17 and 545,197.62
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Solution
The fourth proportional to 867,606.78, 1,197,343.17 and 545,197.62 is: 752,401.50
Step by Step Solution
- Step 1: Write the proportion equation
867,606.78 : 1,197,343.17 = 545,197.62 : x - Step 2: Convert to fraction form
867,606.78/1,197,343.17 = 545,197.62/x - Step 3: Cross multiply
867,606.78x = 1,197,343.17 × 545,197.62 - Step 4: Simplify right side
867,606.78x = 652,788,646,607.26 - Step 5: Solve for x
x = 652,788,646,607.26/867,606.78 - Step 6: Final answer
x = 752,401.50
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.