Finding the Fourth Proportional to 607,374.81, 911,617.07 and 308,061.99
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Solution
The fourth proportional to 607,374.81, 911,617.07 and 308,061.99 is: 462,374.41
Step by Step Solution
- Step 1: Write the proportion equation
607,374.81 : 911,617.07 = 308,061.99 : x - Step 2: Convert to fraction form
607,374.81/911,617.07 = 308,061.99/x - Step 3: Cross multiply
607,374.81x = 911,617.07 × 308,061.99 - Step 4: Simplify right side
607,374.81x = 280,834,568,702.17 - Step 5: Solve for x
x = 280,834,568,702.17/607,374.81 - Step 6: Final answer
x = 462,374.41
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1.5x scale
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.