Finding the Fourth Proportional to 960,075.05, 1,440,107.38 and 391,453.95
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Solution
The fourth proportional to 960,075.05, 1,440,107.38 and 391,453.95 is: 587,178.80
Step by Step Solution
- Step 1: Write the proportion equation
960,075.05 : 1,440,107.38 = 391,453.95 : x - Step 2: Convert to fraction form
960,075.05/1,440,107.38 = 391,453.95/x - Step 3: Cross multiply
960,075.05x = 1,440,107.38 × 391,453.95 - Step 4: Simplify right side
960,075.05x = 563,735,717,746.25 - Step 5: Solve for x
x = 563,735,717,746.25/960,075.05 - Step 6: Final answer
x = 587,178.80
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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.