Finding the Fourth Proportional to 748,647.42, 1,122,637.68 and 216,041.94
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Solution
The fourth proportional to 748,647.42, 1,122,637.68 and 216,041.94 is: 323,966.68
Step by Step Solution
- Step 1: Write the proportion equation
748,647.42 : 1,122,637.68 = 216,041.94 : x - Step 2: Convert to fraction form
748,647.42/1,122,637.68 = 216,041.94/x - Step 3: Cross multiply
748,647.42x = 1,122,637.68 × 216,041.94 - Step 4: Simplify right side
748,647.42x = 242,536,822,304.30 - Step 5: Solve for x
x = 242,536,822,304.30/748,647.42 - Step 6: Final answer
x = 323,966.68
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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.