Finding the Fourth Proportional to 779,594.63, 1,075,840.58 and 421,898.63
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Solution
The fourth proportional to 779,594.63, 1,075,840.58 and 421,898.63 is: 582,220.10
Step by Step Solution
- Step 1: Write the proportion equation
779,594.63 : 1,075,840.58 = 421,898.63 : x - Step 2: Convert to fraction form
779,594.63/1,075,840.58 = 421,898.63/x - Step 3: Cross multiply
779,594.63x = 1,075,840.58 × 421,898.63 - Step 4: Simplify right side
779,594.63x = 453,895,662,475.95 - Step 5: Solve for x
x = 453,895,662,475.95/779,594.63 - Step 6: Final answer
x = 582,220.10
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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.