Finding the Fourth Proportional to 942,029.98, 1,299,973.58 and 534,169.06
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Solution
The fourth proportional to 942,029.98, 1,299,973.58 and 534,169.06 is: 737,137.54
Step by Step Solution
- Step 1: Write the proportion equation
942,029.98 : 1,299,973.58 = 534,169.06 : x - Step 2: Convert to fraction form
942,029.98/1,299,973.58 = 534,169.06/x - Step 3: Cross multiply
942,029.98x = 1,299,973.58 × 534,169.06 - Step 4: Simplify right side
942,029.98x = 694,405,665,253.44 - Step 5: Solve for x
x = 694,405,665,253.44/942,029.98 - Step 6: Final answer
x = 737,137.54
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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.