Finding the Fourth Proportional to 930,996.02, 1,284,775.36 and 528,588.02
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Solution
The fourth proportional to 930,996.02, 1,284,775.36 and 528,588.02 is: 729,451.95
Step by Step Solution
- Step 1: Write the proportion equation
930,996.02 : 1,284,775.36 = 528,588.02 : x - Step 2: Convert to fraction form
930,996.02/1,284,775.36 = 528,588.02/x - Step 3: Cross multiply
930,996.02x = 1,284,775.36 × 528,588.02 - Step 4: Simplify right side
930,996.02x = 679,116,863,687.19 - Step 5: Solve for x
x = 679,116,863,687.19/930,996.02 - Step 6: Final answer
x = 729,451.95
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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.