Finding the Fourth Proportional to 589,702.15, 813,593.21 and 480,618.92
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Solution
The fourth proportional to 589,702.15, 813,593.21 and 480,618.92 is: 663,094.56
Step by Step Solution
- Step 1: Write the proportion equation
589,702.15 : 813,593.21 = 480,618.92 : x - Step 2: Convert to fraction form
589,702.15/813,593.21 = 480,618.92/x - Step 3: Cross multiply
589,702.15x = 813,593.21 × 480,618.92 - Step 4: Simplify right side
589,702.15x = 391,028,289,909.53 - Step 5: Solve for x
x = 391,028,289,909.53/589,702.15 - Step 6: Final answer
x = 663,094.56
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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.