Finding the Fourth Proportional to 791,748.74, 1,187,622.75 and 684,814.84
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Solution
The fourth proportional to 791,748.74, 1,187,622.75 and 684,814.84 is: 1,027,221.95
Step by Step Solution
- Step 1: Write the proportion equation
791,748.74 : 1,187,622.75 = 684,814.84 : x - Step 2: Convert to fraction form
791,748.74/1,187,622.75 = 684,814.84/x - Step 3: Cross multiply
791,748.74x = 1,187,622.75 × 684,814.84 - Step 4: Simplify right side
791,748.74x = 813,301,683,521.61 - Step 5: Solve for x
x = 813,301,683,521.61/791,748.74 - Step 6: Final answer
x = 1,027,221.95
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.