Finding the Fourth Proportional to 887,366.16, 1,329,775.92 and 381,790.08
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Solution
The fourth proportional to 887,366.16, 1,329,775.92 and 381,790.08 is: 572,137.27
Step by Step Solution
- Step 1: Write the proportion equation
887,366.16 : 1,329,775.92 = 381,790.08 : x - Step 2: Convert to fraction form
887,366.16/1,329,775.92 = 381,790.08/x - Step 3: Cross multiply
887,366.16x = 1,329,775.92 × 381,790.08 - Step 4: Simplify right side
887,366.16x = 507,695,254,878.87 - Step 5: Solve for x
x = 507,695,254,878.87/887,366.16 - Step 6: Final answer
x = 572,137.27
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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.