Finding the Fourth Proportional to 834,372.23, 1,244,543.94 and 757,746.63
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Solution
The fourth proportional to 834,372.23, 1,244,543.94 and 757,746.63 is: 1,130,249.72
Step by Step Solution
- Step 1: Write the proportion equation
834,372.23 : 1,244,543.94 = 757,746.63 : x - Step 2: Convert to fraction form
834,372.23/1,244,543.94 = 757,746.63/x - Step 3: Cross multiply
834,372.23x = 1,244,543.94 × 757,746.63 - Step 4: Simplify right side
834,372.23x = 943,048,976,421.92 - Step 5: Solve for x
x = 943,048,976,421.92/834,372.23 - Step 6: Final answer
x = 1,130,249.72
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.