Finding the Fourth Proportional to 706,694.70, 1,057,450.05 and 520,070.70
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Solution
The fourth proportional to 706,694.70, 1,057,450.05 and 520,070.70 is: 778,198.55
Step by Step Solution
- Step 1: Write the proportion equation
706,694.70 : 1,057,450.05 = 520,070.70 : x - Step 2: Convert to fraction form
706,694.70/1,057,450.05 = 520,070.70/x - Step 3: Cross multiply
706,694.70x = 1,057,450.05 × 520,070.70 - Step 4: Simplify right side
706,694.70x = 549,948,787,718.54 - Step 5: Solve for x
x = 549,948,787,718.54/706,694.70 - Step 6: Final answer
x = 778,198.55
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.