Finding the Fourth Proportional to 779,136.30, 1,075,203.99 and 434,952.18
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Solution
The fourth proportional to 779,136.30, 1,075,203.99 and 434,952.18 is: 600,231.72
Step by Step Solution
- Step 1: Write the proportion equation
779,136.30 : 1,075,203.99 = 434,952.18 : x - Step 2: Convert to fraction form
779,136.30/1,075,203.99 = 434,952.18/x - Step 3: Cross multiply
779,136.30x = 1,075,203.99 × 434,952.18 - Step 4: Simplify right side
779,136.30x = 467,662,319,395.20 - Step 5: Solve for x
x = 467,662,319,395.20/779,136.30 - Step 6: Final answer
x = 600,231.72
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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.