Finding the Fourth Proportional to 872,355.69, 1,202,588.93 and 577,511.18
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Solution
The fourth proportional to 872,355.69, 1,202,588.93 and 577,511.18 is: 796,130.02
Step by Step Solution
- Step 1: Write the proportion equation
872,355.69 : 1,202,588.93 = 577,511.18 : x - Step 2: Convert to fraction form
872,355.69/1,202,588.93 = 577,511.18/x - Step 3: Cross multiply
872,355.69x = 1,202,588.93 × 577,511.18 - Step 4: Simplify right side
872,355.69x = 694,508,550,402.36 - Step 5: Solve for x
x = 694,508,550,402.36/872,355.69 - Step 6: Final answer
x = 796,130.02
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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.