Finding the Fourth Proportional to 578,342.96, 798,113.18 and 323,694.14
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Solution
The fourth proportional to 578,342.96, 798,113.18 and 323,694.14 is: 446,697.85
Step by Step Solution
- Step 1: Write the proportion equation
578,342.96 : 798,113.18 = 323,694.14 : x - Step 2: Convert to fraction form
578,342.96/798,113.18 = 323,694.14/x - Step 3: Cross multiply
578,342.96x = 798,113.18 × 323,694.14 - Step 4: Simplify right side
578,342.96x = 258,344,559,422.77 - Step 5: Solve for x
x = 258,344,559,422.77/578,342.96 - Step 6: Final answer
x = 446,697.85
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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.