Finding the Fourth Proportional to 900,722.26, 1,241,567.49 and 709,432.66
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Solution
The fourth proportional to 900,722.26, 1,241,567.49 and 709,432.66 is: 977,891.37
Step by Step Solution
- Step 1: Write the proportion equation
900,722.26 : 1,241,567.49 = 709,432.66 : x - Step 2: Convert to fraction form
900,722.26/1,241,567.49 = 709,432.66/x - Step 3: Cross multiply
900,722.26x = 1,241,567.49 × 709,432.66 - Step 4: Simplify right side
900,722.26x = 880,808,527,000.22 - Step 5: Solve for x
x = 880,808,527,000.22/900,722.26 - Step 6: Final answer
x = 977,891.37
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.