Finding the Fourth Proportional to 877,531.13, 1,316,296.70 and 212,683.13
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Solution
The fourth proportional to 877,531.13, 1,316,296.70 and 212,683.13 is: 319,024.70
Step by Step Solution
- Step 1: Write the proportion equation
877,531.13 : 1,316,296.70 = 212,683.13 : x - Step 2: Convert to fraction form
877,531.13/1,316,296.70 = 212,683.13/x - Step 3: Cross multiply
877,531.13x = 1,316,296.70 × 212,683.13 - Step 4: Simplify right side
877,531.13x = 279,954,102,164.67 - Step 5: Solve for x
x = 279,954,102,164.67/877,531.13 - Step 6: Final answer
x = 319,024.70
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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.