Finding the Fourth Proportional to 831,250.05, 1,147,102.07 and 468,670.70
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Solution
The fourth proportional to 831,250.05, 1,147,102.07 and 468,670.70 is: 646,752.59
Step by Step Solution
- Step 1: Write the proportion equation
831,250.05 : 1,147,102.07 = 468,670.70 : x - Step 2: Convert to fraction form
831,250.05/1,147,102.07 = 468,670.70/x - Step 3: Cross multiply
831,250.05x = 1,147,102.07 × 468,670.70 - Step 4: Simplify right side
831,250.05x = 537,613,122,039.49 - Step 5: Solve for x
x = 537,613,122,039.49/831,250.05 - Step 6: Final answer
x = 646,752.59
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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.