Finding the Fourth Proportional to 813,055.08, 1,122,001.44 and 450,471.66
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Solution
The fourth proportional to 813,055.08, 1,122,001.44 and 450,471.66 is: 621,642.82
Step by Step Solution
- Step 1: Write the proportion equation
813,055.08 : 1,122,001.44 = 450,471.66 : x - Step 2: Convert to fraction form
813,055.08/1,122,001.44 = 450,471.66/x - Step 3: Cross multiply
813,055.08x = 1,122,001.44 × 450,471.66 - Step 4: Simplify right side
813,055.08x = 505,429,851,199.19 - Step 5: Solve for x
x = 505,429,851,199.19/813,055.08 - Step 6: Final answer
x = 621,642.82
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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.