Finding the Fourth Proportional to 836,315.13, 1,260,094.73 and 756,442.09
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Solution
The fourth proportional to 836,315.13, 1,260,094.73 and 756,442.09 is: 1,139,748.23
Step by Step Solution
- Step 1: Write the proportion equation
836,315.13 : 1,260,094.73 = 756,442.09 : x - Step 2: Convert to fraction form
836,315.13/1,260,094.73 = 756,442.09/x - Step 3: Cross multiply
836,315.13x = 1,260,094.73 × 756,442.09 - Step 4: Simplify right side
836,315.13x = 953,188,688,952.09 - Step 5: Solve for x
x = 953,188,688,952.09/836,315.13 - Step 6: Final answer
x = 1,139,748.23
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Why These Related Problems?
These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.