Finding the Fourth Proportional to 699,907.14, 1,051,125.36 and 643,643.46
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Solution
The fourth proportional to 699,907.14, 1,051,125.36 and 643,643.46 is: 966,628.18
Step by Step Solution
- Step 1: Write the proportion equation
699,907.14 : 1,051,125.36 = 643,643.46 : x - Step 2: Convert to fraction form
699,907.14/1,051,125.36 = 643,643.46/x - Step 3: Cross multiply
699,907.14x = 1,051,125.36 × 643,643.46 - Step 4: Simplify right side
699,907.14x = 676,549,963,604.15 - Step 5: Solve for x
x = 676,549,963,604.15/699,907.14 - Step 6: Final answer
x = 966,628.18
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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.