Finding the Fourth Proportional to 579,625.12, 868,311.82 and 326,132.65
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Solution
The fourth proportional to 579,625.12, 868,311.82 and 326,132.65 is: 488,565.50
Step by Step Solution
- Step 1: Write the proportion equation
579,625.12 : 868,311.82 = 326,132.65 : x - Step 2: Convert to fraction form
579,625.12/868,311.82 = 326,132.65/x - Step 3: Cross multiply
579,625.12x = 868,311.82 × 326,132.65 - Step 4: Simplify right side
579,625.12x = 283,184,834,882.92 - Step 5: Solve for x
x = 283,184,834,882.92/579,625.12 - Step 6: Final answer
x = 488,565.50
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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.