Finding the Fourth Proportional to 793,278.40, 1,094,717.80 and 430,695.08
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Solution
The fourth proportional to 793,278.40, 1,094,717.80 and 430,695.08 is: 594,355.74
Step by Step Solution
- Step 1: Write the proportion equation
793,278.40 : 1,094,717.80 = 430,695.08 : x - Step 2: Convert to fraction form
793,278.40/1,094,717.80 = 430,695.08/x - Step 3: Cross multiply
793,278.40x = 1,094,717.80 × 430,695.08 - Step 4: Simplify right side
793,278.40x = 471,489,570,448.42 - Step 5: Solve for x
x = 471,489,570,448.42/793,278.40 - Step 6: Final answer
x = 594,355.74
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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.