Finding the Fourth Proportional to 578,591.29, 864,368.17 and 374,524.95
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Solution
The fourth proportional to 578,591.29, 864,368.17 and 374,524.95 is: 559,509.72
Step by Step Solution
- Step 1: Write the proportion equation
578,591.29 : 864,368.17 = 374,524.95 : x - Step 2: Convert to fraction form
578,591.29/864,368.17 = 374,524.95/x - Step 3: Cross multiply
578,591.29x = 864,368.17 × 374,524.95 - Step 4: Simplify right side
578,591.29x = 323,727,445,650.84 - Step 5: Solve for x
x = 323,727,445,650.84/578,591.29 - Step 6: Final answer
x = 559,509.72
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.