Finding the Fourth Proportional to 781,152.84, 1,171,720.74 and 592,770.15
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Solution
The fourth proportional to 781,152.84, 1,171,720.74 and 592,770.15 is: 889,148.76
Step by Step Solution
- Step 1: Write the proportion equation
781,152.84 : 1,171,720.74 = 592,770.15 : x - Step 2: Convert to fraction form
781,152.84/1,171,720.74 = 592,770.15/x - Step 3: Cross multiply
781,152.84x = 1,171,720.74 × 592,770.15 - Step 4: Simplify right side
781,152.84x = 694,561,078,807.91 - Step 5: Solve for x
x = 694,561,078,807.91/781,152.84 - Step 6: Final answer
x = 889,148.76
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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.