Finding the Fourth Proportional to 888,913.08, 1,226,729.34 and 486,505.08
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Solution
The fourth proportional to 888,913.08, 1,226,729.34 and 486,505.08 is: 671,393.04
Step by Step Solution
- Step 1: Write the proportion equation
888,913.08 : 1,226,729.34 = 486,505.08 : x - Step 2: Convert to fraction form
888,913.08/1,226,729.34 = 486,505.08/x - Step 3: Cross multiply
888,913.08x = 1,226,729.34 × 486,505.08 - Step 4: Simplify right side
888,913.08x = 596,810,055,695.05 - Step 5: Solve for x
x = 596,810,055,695.05/888,913.08 - Step 6: Final answer
x = 671,393.04
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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.