Finding the Fourth Proportional to 893,296.16, 1,232,756.48 and 485,397.99
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Solution
The fourth proportional to 893,296.16, 1,232,756.48 and 485,397.99 is: 669,853.45
Step by Step Solution
- Step 1: Write the proportion equation
893,296.16 : 1,232,756.48 = 485,397.99 : x - Step 2: Convert to fraction form
893,296.16/1,232,756.48 = 485,397.99/x - Step 3: Cross multiply
893,296.16x = 1,232,756.48 × 485,397.99 - Step 4: Simplify right side
893,296.16x = 598,377,517,551.48 - Step 5: Solve for x
x = 598,377,517,551.48/893,296.16 - Step 6: Final answer
x = 669,853.45
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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.