Finding the Fourth Proportional to 693,075.68, 956,448.96 and 406,602.08
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Solution
The fourth proportional to 693,075.68, 956,448.96 and 406,602.08 is: 561,113.52
Step by Step Solution
- Step 1: Write the proportion equation
693,075.68 : 956,448.96 = 406,602.08 : x - Step 2: Convert to fraction form
693,075.68/956,448.96 = 406,602.08/x - Step 3: Cross multiply
693,075.68x = 956,448.96 × 406,602.08 - Step 4: Simplify right side
693,075.68x = 388,894,136,549.84 - Step 5: Solve for x
x = 388,894,136,549.84/693,075.68 - Step 6: Final answer
x = 561,113.52
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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.