Finding the Fourth Proportional to 849,674.56, 1,172,413.68 and 487,031.68
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Solution
The fourth proportional to 849,674.56, 1,172,413.68 and 487,031.68 is: 672,025.07
Step by Step Solution
- Step 1: Write the proportion equation
849,674.56 : 1,172,413.68 = 487,031.68 : x - Step 2: Convert to fraction form
849,674.56/1,172,413.68 = 487,031.68/x - Step 3: Cross multiply
849,674.56x = 1,172,413.68 × 487,031.68 - Step 4: Simplify right side
849,674.56x = 571,002,604,225.38 - Step 5: Solve for x
x = 571,002,604,225.38/849,674.56 - Step 6: Final answer
x = 672,025.07
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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.