Finding the Fourth Proportional to 497,413.70, 744,532.95 and 392,437.70
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Solution
The fourth proportional to 497,413.70, 744,532.95 and 392,437.70 is: 587,404.00
Step by Step Solution
- Step 1: Write the proportion equation
497,413.70 : 744,532.95 = 392,437.70 : x - Step 2: Convert to fraction form
497,413.70/744,532.95 = 392,437.70/x - Step 3: Cross multiply
497,413.70x = 744,532.95 × 392,437.70 - Step 4: Simplify right side
497,413.70x = 292,182,798,472.22 - Step 5: Solve for x
x = 292,182,798,472.22/497,413.70 - Step 6: Final answer
x = 587,404.00
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.