Finding the Fourth Proportional to 913,671.24, 1,260,850.98 and 505,764.36
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Solution
The fourth proportional to 913,671.24, 1,260,850.98 and 505,764.36 is: 697,946.33
Step by Step Solution
- Step 1: Write the proportion equation
913,671.24 : 1,260,850.98 = 505,764.36 : x - Step 2: Convert to fraction form
913,671.24/1,260,850.98 = 505,764.36/x - Step 3: Cross multiply
913,671.24x = 1,260,850.98 × 505,764.36 - Step 4: Simplify right side
913,671.24x = 637,693,488,955.07 - Step 5: Solve for x
x = 637,693,488,955.07/913,671.24 - Step 6: Final answer
x = 697,946.33
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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.