Finding the Fourth Proportional to 971,679.09, 1,340,910.67 and 536,118.87
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Solution
The fourth proportional to 971,679.09, 1,340,910.67 and 536,118.87 is: 739,840.47
Step by Step Solution
- Step 1: Write the proportion equation
971,679.09 : 1,340,910.67 = 536,118.87 : x - Step 2: Convert to fraction form
971,679.09/1,340,910.67 = 536,118.87/x - Step 3: Cross multiply
971,679.09x = 1,340,910.67 × 536,118.87 - Step 4: Simplify right side
971,679.09x = 718,887,513,171.34 - Step 5: Solve for x
x = 718,887,513,171.34/971,679.09 - Step 6: Final answer
x = 739,840.47
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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.