Finding the Fourth Proportional to 793,012.12, 1,094,357.81 and 430,436.05
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Solution
The fourth proportional to 793,012.12, 1,094,357.81 and 430,436.05 is: 594,002.34
Step by Step Solution
- Step 1: Write the proportion equation
793,012.12 : 1,094,357.81 = 430,436.05 : x - Step 2: Convert to fraction form
793,012.12/1,094,357.81 = 430,436.05/x - Step 3: Cross multiply
793,012.12x = 1,094,357.81 × 430,436.05 - Step 4: Simplify right side
793,012.12x = 471,051,053,023.05 - Step 5: Solve for x
x = 471,051,053,023.05/793,012.12 - Step 6: Final answer
x = 594,002.34
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1.5x scale
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.