Finding the Fourth Proportional to 752,505.23, 1,038,781.17 and 462,163.88
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Solution
The fourth proportional to 752,505.23, 1,038,781.17 and 462,163.88 is: 637,985.11
Step by Step Solution
- Step 1: Write the proportion equation
752,505.23 : 1,038,781.17 = 462,163.88 : x - Step 2: Convert to fraction form
752,505.23/1,038,781.17 = 462,163.88/x - Step 3: Cross multiply
752,505.23x = 1,038,781.17 × 462,163.88 - Step 4: Simplify right side
752,505.23x = 480,087,130,804.23 - Step 5: Solve for x
x = 480,087,130,804.23/752,505.23 - Step 6: Final answer
x = 637,985.11
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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.