Finding the Fourth Proportional to 910,133.02, 1,256,233.40 and 528,282.82
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Solution
The fourth proportional to 910,133.02, 1,256,233.40 and 528,282.82 is: 729,175.31
Step by Step Solution
- Step 1: Write the proportion equation
910,133.02 : 1,256,233.40 = 528,282.82 : x - Step 2: Convert to fraction form
910,133.02/1,256,233.40 = 528,282.82/x - Step 3: Cross multiply
910,133.02x = 1,256,233.40 × 528,282.82 - Step 4: Simplify right side
910,133.02x = 663,646,523,130.19 - Step 5: Solve for x
x = 663,646,523,130.19/910,133.02 - Step 6: Final answer
x = 729,175.31
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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.