Finding the Fourth Proportional to 649,680.80, 973,138.80 and 539,088.80
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Solution
The fourth proportional to 649,680.80, 973,138.80 and 539,088.80 is: 807,486.12
Step by Step Solution
- Step 1: Write the proportion equation
649,680.80 : 973,138.80 = 539,088.80 : x - Step 2: Convert to fraction form
649,680.80/973,138.80 = 539,088.80/x - Step 3: Cross multiply
649,680.80x = 973,138.80 × 539,088.80 - Step 4: Simplify right side
649,680.80x = 524,608,227,925.44 - Step 5: Solve for x
x = 524,608,227,925.44/649,680.80 - Step 6: Final answer
x = 807,486.12
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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.