Finding the Fourth Proportional to 691,907.91, 954,830.26 and 385,984.05
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Solution
The fourth proportional to 691,907.91, 954,830.26 and 385,984.05 is: 532,656.50
Step by Step Solution
- Step 1: Write the proportion equation
691,907.91 : 954,830.26 = 385,984.05 : x - Step 2: Convert to fraction form
691,907.91/954,830.26 = 385,984.05/x - Step 3: Cross multiply
691,907.91x = 954,830.26 × 385,984.05 - Step 4: Simplify right side
691,907.91x = 368,549,246,271.78 - Step 5: Solve for x
x = 368,549,246,271.78/691,907.91 - Step 6: Final answer
x = 532,656.50
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.