Finding the Fourth Proportional to 887,367.16, 1,329,777.42 and 381,791.08
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Solution
The fourth proportional to 887,367.16, 1,329,777.42 and 381,791.08 is: 572,138.77
Step by Step Solution
- Step 1: Write the proportion equation
887,367.16 : 1,329,777.42 = 381,791.08 : x - Step 2: Convert to fraction form
887,367.16/1,329,777.42 = 381,791.08/x - Step 3: Cross multiply
887,367.16x = 1,329,777.42 × 381,791.08 - Step 4: Simplify right side
887,367.16x = 507,697,157,341.41 - Step 5: Solve for x
x = 507,697,157,341.41/887,367.16 - Step 6: Final answer
x = 572,138.77
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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.