Finding the Fourth Proportional to 961,315.05, 1,440,004.28 and 488,266.95
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Solution
The fourth proportional to 961,315.05, 1,440,004.28 and 488,266.95 is: 731,400.69
Step by Step Solution
- Step 1: Write the proportion equation
961,315.05 : 1,440,004.28 = 488,266.95 : x - Step 2: Convert to fraction form
961,315.05/1,440,004.28 = 488,266.95/x - Step 3: Cross multiply
961,315.05x = 1,440,004.28 × 488,266.95 - Step 4: Simplify right side
961,315.05x = 703,106,495,341.21 - Step 5: Solve for x
x = 703,106,495,341.21/961,315.05 - Step 6: Final answer
x = 731,400.69
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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.