Finding the Fourth Proportional to 922,005.57, 1,272,383.36 and 508,589.79
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Solution
The fourth proportional to 922,005.57, 1,272,383.36 and 508,589.79 is: 701,862.55
Step by Step Solution
- Step 1: Write the proportion equation
922,005.57 : 1,272,383.36 = 508,589.79 : x - Step 2: Convert to fraction form
922,005.57/1,272,383.36 = 508,589.79/x - Step 3: Cross multiply
922,005.57x = 1,272,383.36 × 508,589.79 - Step 4: Simplify right side
922,005.57x = 647,121,181,885.13 - Step 5: Solve for x
x = 647,121,181,885.13/922,005.57 - Step 6: Final answer
x = 701,862.55
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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.