Finding the Fourth Proportional to 749,368.19, 1,124,421.30 and 349,950.98
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Solution
The fourth proportional to 749,368.19, 1,124,421.30 and 349,950.98 is: 525,098.79
Step by Step Solution
- Step 1: Write the proportion equation
749,368.19 : 1,124,421.30 = 349,950.98 : x - Step 2: Convert to fraction form
749,368.19/1,124,421.30 = 349,950.98/x - Step 3: Cross multiply
749,368.19x = 1,124,421.30 × 349,950.98 - Step 4: Simplify right side
749,368.19x = 393,492,330,245.77 - Step 5: Solve for x
x = 393,492,330,245.77/749,368.19 - Step 6: Final answer
x = 525,098.79
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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.