Finding the Fourth Proportional to 713,860.70, 1,069,363.11 and 429,394.26
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Solution
The fourth proportional to 713,860.70, 1,069,363.11 and 429,394.26 is: 643,232.48
Step by Step Solution
- Step 1: Write the proportion equation
713,860.70 : 1,069,363.11 = 429,394.26 : x - Step 2: Convert to fraction form
713,860.70/1,069,363.11 = 429,394.26/x - Step 3: Cross multiply
713,860.70x = 1,069,363.11 × 429,394.26 - Step 4: Simplify right side
713,860.70x = 459,178,386,910.09 - Step 5: Solve for x
x = 459,178,386,910.09/713,860.70 - Step 6: Final answer
x = 643,232.48
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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.