Finding the Fourth Proportional to 584,098.87, 806,421.35 and 447,871.12
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Solution
The fourth proportional to 584,098.87, 806,421.35 and 447,871.12 is: 618,341.95
Step by Step Solution
- Step 1: Write the proportion equation
584,098.87 : 806,421.35 = 447,871.12 : x - Step 2: Convert to fraction form
584,098.87/806,421.35 = 447,871.12/x - Step 3: Cross multiply
584,098.87x = 806,421.35 × 447,871.12 - Step 4: Simplify right side
584,098.87x = 361,172,833,216.41 - Step 5: Solve for x
x = 361,172,833,216.41/584,098.87 - Step 6: Final answer
x = 618,341.95
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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.