Finding the Fourth Proportional to 723,543.08, 998,552.58 and 421,730.60
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Solution
The fourth proportional to 723,543.08, 998,552.58 and 421,730.60 is: 582,025.02
Step by Step Solution
- Step 1: Write the proportion equation
723,543.08 : 998,552.58 = 421,730.60 : x - Step 2: Convert to fraction form
723,543.08/998,552.58 = 421,730.60/x - Step 3: Cross multiply
723,543.08x = 998,552.58 × 421,730.60 - Step 4: Simplify right side
723,543.08x = 421,120,178,694.95 - Step 5: Solve for x
x = 421,120,178,694.95/723,543.08 - Step 6: Final answer
x = 582,025.02
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.