Finding the Fourth Proportional to 532,115.68, 734,335.08 and 290,413.76
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Solution
The fourth proportional to 532,115.68, 734,335.08 and 290,413.76 is: 400,779.42
Step by Step Solution
- Step 1: Write the proportion equation
532,115.68 : 734,335.08 = 290,413.76 : x - Step 2: Convert to fraction form
532,115.68/734,335.08 = 290,413.76/x - Step 3: Cross multiply
532,115.68x = 734,335.08 × 290,413.76 - Step 4: Simplify right side
532,115.68x = 213,261,011,682.70 - Step 5: Solve for x
x = 213,261,011,682.70/532,115.68 - Step 6: Final answer
x = 400,779.42
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1.5x scale
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.