Finding the Fourth Proportional to 747,377, 1,121,054.97 and 347,794.28
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Solution
The fourth proportional to 747,377, 1,121,054.97 and 347,794.28 is: 521,686.52
Step by Step Solution
- Step 1: Write the proportion equation
747,377 : 1,121,054.97 = 347,794.28 : x - Step 2: Convert to fraction form
747,377/1,121,054.97 = 347,794.28/x - Step 3: Cross multiply
747,377x = 1,121,054.97 × 347,794.28 - Step 4: Simplify right side
747,377x = 389,896,506,131.57 - Step 5: Solve for x
x = 389,896,506,131.57/747,377 - Step 6: Final answer
x = 521,686.52
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.