Finding the Fourth Proportional to 910,726.76, 1,257,817.92 and 709,202
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Solution
The fourth proportional to 910,726.76, 1,257,817.92 and 709,202 is: 979,489.15
Step by Step Solution
- Step 1: Write the proportion equation
910,726.76 : 1,257,817.92 = 709,202 : x - Step 2: Convert to fraction form
910,726.76/1,257,817.92 = 709,202/x - Step 3: Cross multiply
910,726.76x = 1,257,817.92 × 709,202 - Step 4: Simplify right side
910,726.76x = 892,046,984,499.84 - Step 5: Solve for x
x = 892,046,984,499.84/910,726.76 - Step 6: Final answer
x = 979,489.15
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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.