Finding the Fourth Proportional to 813,448.28, 1,122,625.84 and 450,985.84
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Solution
The fourth proportional to 813,448.28, 1,122,625.84 and 450,985.84 is: 622,397.72
Step by Step Solution
- Step 1: Write the proportion equation
813,448.28 : 1,122,625.84 = 450,985.84 : x - Step 2: Convert to fraction form
813,448.28/1,122,625.84 = 450,985.84/x - Step 3: Cross multiply
813,448.28x = 1,122,625.84 × 450,985.84 - Step 4: Simplify right side
813,448.28x = 506,288,357,458.11 - Step 5: Solve for x
x = 506,288,357,458.11/813,448.28 - Step 6: Final answer
x = 622,397.72
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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.