Finding the Fourth Proportional to 717,763.14, 1,075,840.23 and 291,199.94
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Solution
The fourth proportional to 717,763.14, 1,075,840.23 and 291,199.94 is: 436,473.53
Step by Step Solution
- Step 1: Write the proportion equation
717,763.14 : 1,075,840.23 = 291,199.94 : x - Step 2: Convert to fraction form
717,763.14/1,075,840.23 = 291,199.94/x - Step 3: Cross multiply
717,763.14x = 1,075,840.23 × 291,199.94 - Step 4: Simplify right side
717,763.14x = 313,284,610,425.59 - Step 5: Solve for x
x = 313,284,610,425.59/717,763.14 - Step 6: Final answer
x = 436,473.53
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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.