Finding the Fourth Proportional to 739,291.07, 1,020,027.80 and 433,203.12
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Solution
The fourth proportional to 739,291.07, 1,020,027.80 and 433,203.12 is: 597,706.70
Step by Step Solution
- Step 1: Write the proportion equation
739,291.07 : 1,020,027.80 = 433,203.12 : x - Step 2: Convert to fraction form
739,291.07/1,020,027.80 = 433,203.12/x - Step 3: Cross multiply
739,291.07x = 1,020,027.80 × 433,203.12 - Step 4: Simplify right side
739,291.07x = 441,879,226,529.74 - Step 5: Solve for x
x = 441,879,226,529.74/739,291.07 - Step 6: Final answer
x = 597,706.70
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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.