Finding the Fourth Proportional to 779,651.37, 1,075,907.28 and 435,492.09
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Solution
The fourth proportional to 779,651.37, 1,075,907.28 and 435,492.09 is: 600,972.60
Step by Step Solution
- Step 1: Write the proportion equation
779,651.37 : 1,075,907.28 = 435,492.09 : x - Step 2: Convert to fraction form
779,651.37/1,075,907.28 = 435,492.09/x - Step 3: Cross multiply
779,651.37x = 1,075,907.28 × 435,492.09 - Step 4: Simplify right side
779,651.37x = 468,549,110,013.42 - Step 5: Solve for x
x = 468,549,110,013.42/779,651.37 - Step 6: Final answer
x = 600,972.60
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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.