Finding the Fourth Proportional to 779,637.08, 1,075,899.30 and 421,941.08
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Solution
The fourth proportional to 779,637.08, 1,075,899.30 and 421,941.08 is: 582,278.76
Step by Step Solution
- Step 1: Write the proportion equation
779,637.08 : 1,075,899.30 = 421,941.08 : x - Step 2: Convert to fraction form
779,637.08/1,075,899.30 = 421,941.08/x - Step 3: Cross multiply
779,637.08x = 1,075,899.30 × 421,941.08 - Step 4: Simplify right side
779,637.08x = 453,966,112,613.24 - Step 5: Solve for x
x = 453,966,112,613.24/779,637.08 - Step 6: Final answer
x = 582,278.76
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.