Finding the Fourth Proportional to 879,098.13, 1,213,269.57 and 497,200.68
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Solution
The fourth proportional to 879,098.13, 1,213,269.57 and 497,200.68 is: 686,201.50
Step by Step Solution
- Step 1: Write the proportion equation
879,098.13 : 1,213,269.57 = 497,200.68 : x - Step 2: Convert to fraction form
879,098.13/1,213,269.57 = 497,200.68/x - Step 3: Cross multiply
879,098.13x = 1,213,269.57 × 497,200.68 - Step 4: Simplify right side
879,098.13x = 603,238,455,227.31 - Step 5: Solve for x
x = 603,238,455,227.31/879,098.13 - Step 6: Final answer
x = 686,201.50
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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.